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20125527513740 = 22511234798303501
BaseRepresentation
bin1001001001101110101101…
…11010110001101010001100
32122020222111121121220112022
410210313112322301222030
510114214040020414430
6110445312324225312
74145010222210455
oct444672672615214
978228447556468
1020125527513740
11645a208679030
12231056653b238
13b2caa16c619c
144d811b74012c
1524d7a02434e5
hex124dd6eb1a8c

20125527513740 has 96 divisors (see below), whose sum is σ = 48210796892160. Its totient is φ = 6985568480000.

The previous prime is 20125527513737. The next prime is 20125527513799. The reversal of 20125527513740 is 4731572552102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20125527513691 and 20125527513700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1728011 + ... + 6575490.

It is an arithmetic number, because the mean of its divisors is an integer number (502195800960).

Almost surely, 220125527513740 is an apocalyptic number.

20125527513740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20125527513740 is an abundant number, since it is smaller than the sum of its proper divisors (28085269378420).

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

20125527513740 is a wasteful number, since it uses less digits than its factorization.

20125527513740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304023 (or 8304021 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 20125527513740 in words is "twenty trillion, one hundred twenty-five billion, five hundred twenty-seven million, five hundred thirteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 479 506 958 1012 1265 1916 2395 2530 4790 5060 5269 9580 10538 11017 21076 22034 26345 44068 52690 55085 105380 110170 121187 220340 242374 484748 605935 1211870 2423740 8303501 16607002 33214004 41517505 83035010 91338511 166070020 182677022 190980523 365354044 381961046 456692555 763922092 913385110 954902615 1826770220 1909805230 2100785753 3819610460 3977376979 4201571506 7954753958 8403143012 10503928765 15909507916 19886884895 21007857530 39773769790 42015715060 43751146769 79547539580 87502293538 91479670517 175004587076 182959341034 218755733845 365918682068 437511467690 457398352585 875022935380 914796705170 1006276375687 1829593410340 2012552751374 4025105502748 5031381878435 10062763756870 20125527513740