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102125268515808 = 25321720858919223
BaseRepresentation
bin10111001110000111100100…
…010110100011101111100000
3111101121002011112222022202100
4113032013210112203233200
5101341210022220001213
61001111411202450400
730340210233360156
oct2716074426435740
9441532145868670
10102125268515808
112a5a40a0749a7a
12b554689963a00
1344ca4aa249645
141b30c646053d6
15bc17a5049773
hex5ce1e45a3be0

102125268515808 has 72 divisors (see below), whose sum is σ = 307502187200208. Its totient is φ = 32039299924992.

The previous prime is 102125268515761. The next prime is 102125268515843. The reversal of 102125268515808 is 808515862521201.

102125268515808 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 2 + 5 + 2 + 6 + 8 + 51 + 580 + 8 = 666.

102125268515808 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10429454716 + ... + 10429464507.

It is an arithmetic number, because the mean of its divisors is an integer number (4270863711114).

Almost surely, 2102125268515808 is an apocalyptic number.

102125268515808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102125268515808 is an abundant number, since it is smaller than the sum of its proper divisors (205376918684400).

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

102125268515808 is a wasteful number, since it uses less digits than its factorization.

102125268515808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20858919256 (or 20858919245 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 54.

The spelling of 102125268515808 in words is "one hundred two trillion, one hundred twenty-five billion, two hundred sixty-eight million, five hundred fifteen thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 20858919223 41717838446 62576757669 83435676892 125153515338 166871353784 187730273007 250307030676 333742707568 354601626791 375460546014 500614061352 667485415136 709203253582 750921092028 1001228122704 1063804880373 1418406507164 1501842184056 2002456245408 2127609760746 2836813014328 3003684368112 3191414641119 4255219521492 5673626028656 6007368736224 6382829282238 8510439042984 11347252057312 12765658564476 17020878085968 25531317128952 34041756171936 51062634257904 102125268515808