10,000,000,000,000

10000000000000
List of numbers Integers ← 100 101 102 103 104 105 106 107 108 109 1010 1011 1012 1013
Cardinal	Ten trillion (short scale) Ten billion (long scale) Ten thousand billion Ten million million
Ordinal	10000000000000th (ten trillionth, short scale)
Factorization	213 513
Divisors	196 total
Greek numeral	${\displaystyle {\stackrel {\iota }{\mathrm {M} }}}$
Roman numeral	N/A, n/a
Binary	100100011000010011100111001010100000000000002
Ternary	10221012222020120200202111013
Senary	331335341450241446
Octal	2214116345200008
Duodecimal	115609792505412
Hexadecimal	9184E72A00016
Arabic	١٠٠٠٠٠٠٠٠٠٠٠٠٠
Bengali	১০০০০০০০০০০০০০
Devanagari	१०००००००००००००
Khmer	១០០០០០០០០០០០០០
Tamil	க௦௦௦௦௦௦௦௦௦௦௦௦௦
Thai	๑๐๐๐๐๐๐๐๐๐๐๐๐๐ (สิบล้านล้าน)

10,000,000,000,000 (ten trillion on the short scale; ten billion on the long scale; ten thousand billion; ten million million) is the natural number following 9,999,999,999,999 and preceding 10,000,000,000,001. It is known as 10000 arab, 100 kharab, 10 lakh crore, or 1 nil in the Indian numbering system.

10,000,000,000,000 has the following properties and usage:

• It is even, composite, abundant, polite, practical, frugal, and regular. It is also a perfect power and a harshad number.
• It is written in scientific notation as 1 × 10¹³ or 10¹³ (1E+13 or simply 1E13 in E notation).
• It has a total of 196 divisors (182 even, 14 odd). All divisors are displayed below:

1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1024, 1250, 1280, 1600, 2000, 2048, 2500, 2560, 3125, 3200, 4000, 4096, 5000, 5120, 6250, 6400, 8000, 8192, 10000, 10240, 12500, 12800, 15625, 16000, 20000, 20480, 25000, 25600, 31250, 32000, 40000, 40960, 50000, 51200, 62500, 64000, 78125, 80000, 100000, 102400, 125000, 128000, 156250, 160000, 200000, 204800, 250000, 256000, 312500, 320000, 390625, 400000, 500000, 512000, 625000, 640000, 781250, 800000, 1000000, 1024000, 1250000, 1280000, 1562500, 1600000, 1953125, 2000000, 2500000, 2560000, 3125000, 3200000, 3906250, 4000000, 5000000, 5120000, 6250000, 6400000, 7812500, 8000000, 9765625, 10000000, 12500000, 12800000, 15625000, 16000000, 19531250, 20000000, 25000000, 25600000, 31250000, 32000000, 39062500, 40000000, 48828125, 50000000, 62500000, 64000000, 78125000, 80000000, 97656250, 100000000, 125000000, 128000000, 156250000, 160000000, 195312500, 200000000, 244140625, 250000000, 312500000, 320000000, 390625000, 400000000, 488281250, 500000000, 625000000, 640000000, 781250000, 800000000, 976562500, 1000000000, 1220703125, 1250000000, 1562500000, 1600000000, 1953125000, 2000000000, 2441406250, 2500000000, 3125000000, 3200000000, 3906250000, 4000000000, 4882812500, 5000000000, 6250000000, 7812500000, 8000000000, 9765625000, 10000000000, 12500000000, 15625000000, 16000000000, 19531250000, 20000000000, 25000000000, 31250000000, 39062500000, 40000000000, 50000000000, 62500000000, 78125000000, 80000000000, 100000000000, 125000000000, 156250000000, 200000000000, 250000000000, 312500000000, 400000000000, 500000000000, 625000000000, 1000000000000, 1250000000000, 2000000000000, 2500000000000, 5000000000000, 10000000000000

• The sum of all its divisors, including itself, is 24,998,474,116,998.
• It has an Euler totient of 4,000,000,000,000, and an aliquot sum of 14,998,474,116,998.
• There are a total of 346,065,536,839 positive primes less than it.^[1]
• Below is the list of basic calculations of 10,000,000,000,000:

	Multiplication ${\displaystyle \scriptstyle {{\text{10,000,000,000,000 }}\times {\text{ x}}}}$	Division ${\displaystyle \scriptstyle {{\text{10,000,000,000,000 }}\div {\text{ x}}}}$	Exponentiation ${\displaystyle \scriptstyle {{\text{10,000,000,000,000}}^{\text{x}}}}$	nth root ${\displaystyle \scriptstyle {\sqrt[{\text{x}}]{\text{10,000,000,000,000}}}}$
2	20,000,000,000,000	5,000,000,000,000	1026	≈3,162,277.6602
3	30,000,000,000,000	3,333,333,333,333.3	1039	≈21,544.3469
4	40,000,000,000,000	2,500,000,000,000	1052	≈1,778.2794
5	50,000,000,000,000	2,000,000,000,000	1065	≈398.1072
6	60,000,000,000,000	1,666,666,666,666.6	1078	≈146.7799
7	70,000,000,000,000	1,428,571,428,571.428571	1091	≈71.9686
8	80,000,000,000,000	1,250,000,000,000	10104	≈42.1697
9	90,000,000,000,000	1,111,111,111,111.1	10117	≈27.8256
10	100,000,000,000,000	1,000,000,000,000	10130	≈19.9526

• 10,000,000,000,000 was used in Banknotes of Zimbabwe: 2008 banknote series circulated due to the intense hyperinflation in Zimbabwe during the 2008-2009 period.

• 10,000,000,000,037 : smallest 14-digit prime number^[2]
• 10,000,002,437,316 : smallest 14-digit triangular number, 4,472,136th triangular number^[3][4]
• 10,153,507,819,457 : 177th Markov number^[5]
• 10,445,360,463,871 : 38th Woodall number^[6]
• 10,610,209,857,723 : 64th Fibonacci number
• 11,038,251,159,312 : number of 51-bead necklaces (turning over is allowed) where complements are equivalent^[7]
• 11,111,111,111,111 : repunit
• 11,258,999,739,560 : number of 50-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed^[8]
• 13,046,940,568,625 : number of series-reduced planted trees with 48 nodes^[9]
• 13,432,403,613,621 : number of secondary structures of RNA molecules with 37 nucleotides^[10]
• 13,933,569,346,707 : 32nd Motzkin number^[11]
• 13,974,537,376,800 : 75th superabundant number^[12]
• 14,173,019,355,266 : 178th Markov number
• 14,235,090,298,445 : 179th Markov number
• 14,622,039,889,385 : 180th Markov number
• 15,988,960,048,321 : 181st Markov number
• 17,167,680,177,565 : 65th Fibonacci number, 182nd Markov number
• 18,367,353,072,152 : 26th Catalan number^[13]
• 18,632,716,502,400 : 76th superabundant number
• 18,696,424,380,481 : 183rd Markov number
• 19,374,186,136,140 : 41st Wedderburn-Etherington number^[14]
• 19,696,509,177,019 : 16th alternating factorial^[15]

• 20,922,789,888,000 = 16!
• 20,922,789,888,136 : 16th factoriangular number^[16]
• 21,246,581,423,810 : 184th Markov number
• 21,300,003,689,580 : 36th Pell number^[17]
• 21,440,476,741,631 : 39th Woodall number
• 21,651,955,485,304 : number of 52-bead necklaces (turning over is allowed) where complements are equivalent
• 22,076,468,764,192 : number of 51-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
• 22,222,222,222,222 : repdigit
• 22,592,065,572,301 : 185th Markov number
• 24,351,056,611,103 : number of (unordered, unlabeled) rooted trimmed trees with 39 nodes^[18]
• 26,500,373,448,281 : 186th Markov number
• 27,673,060,569,305 : number of series-reduced planted trees with 49 nodes
• 27,777,890,035,288 : 66th Fibonacci number
• 27,949,074,753,600 : 77th superabundant number

• 30,901,824,368,813 : 187th Markov number
• 31,801,503,090,601 : 188th Markov number
• 32,607,253,879,200 : 78th superabundant number
• 33,333,333,333,333 : repdigit
• 33,843,022,209,066 : number of secondary structures of RNA molecules with 38 nucleotides
• 36,332,699,889,481 : 189th Markov number
• 38,596,477,083,550 : number of square (0,1)-matrices without zero rows and with exactly 12 entries equal to 1^[19]

• 40,002,464,776,083 : 33rd Motzkin number
• 40,081,787,109,376 : 25th automorphic number^[20]
• 42,486,822,491,890 : number of 53-bead necklaces (turning over is allowed) where complements are equivalent
• 43,303,843,861,744 : number of 52-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
• 43,520,999,798,747 : 50th repfigit^[21]
• 43,980,465,111,039 : 40th Woodall number
• 44,444,444,444,444 : repdigit
• 44,945,570,212,853 : 67th Fibonacci number, 190th Markov number
• 46,127,828,641,049 : 191st Markov number
• 46,384,328,517,112 : 42nd Wedderburn-Etherington number
• 47,574,827,600,981 : 21st Schröder–Hipparchus number^[22]
• 48,795,987,025,021 : 192nd Markov number

• 51,011,754,393,600 = 26!!
• 51,422,757,785,981 : 37th Pell number, 193rd Markov number
• 55,555,555,555,555 : repdigit
• 55,898,149,507,200 : 79th superabundant number
• 57,850,602,535,042 : 194th Markov number
• 58,734,306,828,191 : number of series-reduced planted trees with 50 nodes
• 59,918,212,890,625 : 26th automorphic number

• 60,941,642,779,903 : number of (unordered, unlabeled) rooted trimmed trees with 40 nodes
• 65,082,055,350,517 : 195th Markov number
• 65,214,507,758,400 : 80th superabundant number, 19th superior highly composite number^[23]
• 66,666,666,666,666 : repdigit
• 67,082,333,460,610 : 196th Markov number
• 68,275,077,901,156 : number of posets with 15 unlabeled elements^[24]
• 69,533,550,916,004 : 27th Catalan number

• 72,723,460,248,141 : 68th Fibonacci number
• 73,224,462,646,361 : 197th Markov number
• 74,596,893,730,427 : 51th repfigit
• 77,777,777,777,777 : repdigit

• 80,902,026,460,669 : 198th Markov number
• 82,561,235,448,866 : 199th Markov number
• 83,400,061,453,514 : number of 54-bead necklaces (turning over is allowed) where complements are equivalent
• 84,973,577,874,916 : number of 53-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
• 85,349,327,734,485 : number of secondary structures of RNA molecules with 39 nucleotides
• 88,888,888,888,888 : repdigit

• 90,159,953,477,631 : 41st Woodall number
• 93,139,301,545,921 : 200th Markov number
• 97,295,849,958,669 : 52nd repfigit
• 97,568,760,404,309 : 201st Markov number
• 97,821,761,637,600 : 81st superabundant number
• 99,999,999,999,973 : largest 14-digit prime number^[25]
• 99,999,999,999,999 : largest 14-digit number, repdigit

• Long and short scales
• Names of large numbers
• Orders of magnitude (numbers)
• Power of 10