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118168037900 = 225211598321937
BaseRepresentation
bin110111000001101011…
…1010010101000001100
3102022000100000021221022
41232003113102220030
53414002004203100
6130141411053312
711352212515013
oct1560327225014
9368010007838
10118168037900
114612985a960
121aa9a2a1238
13b1b27b6223
145a0dd0da7a
153119236e85
hex1b835d2a0c

118168037900 has 144 divisors (see below), whose sum is σ = 287917822080. Its totient is φ = 41731046400.

The previous prime is 118168037893. The next prime is 118168037987. The reversal of 118168037900 is 9730861811.

It is a super-2 number, since 2×1181680379002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5375732 + ... + 5397668.

It is an arithmetic number, because the mean of its divisors is an integer number (1999429320).

Almost surely, 2118168037900 is an apocalyptic number.

118168037900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118168037900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143958911040).

118168037900 is an abundant number, since it is smaller than the sum of its proper divisors (169749784180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118168037900 is a wasteful number, since it uses less digits than its factorization.

118168037900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22104 (or 22097 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 118168037900 in words is "one hundred eighteen billion, one hundred sixty-eight million, thirty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 59 83 100 110 118 166 220 236 275 295 332 415 550 590 649 830 913 1100 1180 1298 1475 1660 1826 2075 2596 2950 3245 3652 4150 4565 4897 5900 6490 8300 9130 9794 12980 16225 18260 19588 21937 22825 24485 32450 43874 45650 48970 53867 64900 87748 91300 97940 107734 109685 122425 215468 219370 241307 244850 269335 438740 482614 489700 538670 548425 965228 1077340 1096850 1206535 1294283 1346675 1820771 2193700 2413070 2588566 2693350 3641542 4826140 5177132 5386700 6032675 6471415 7283084 9103855 12065350 12942830 14237113 18207710 20028481 24130700 25885660 28474226 32357075 36415420 40056962 45519275 56948452 64714150 71185565 80113924 91038550 100142405 107425489 129428300 142371130 182077100 200284810 214850978 284742260 355927825 400569620 429701956 500712025 537127445 711855650 1001424050 1074254890 1181680379 1423711300 2002848100 2148509780 2363360758 2685637225 4726721516 5371274450 5908401895 10742548900 11816803790 23633607580 29542009475 59084018950 118168037900