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56697825442908 = 223131721379270529
BaseRepresentation
bin11001110010000111111011…
…01111101011110001011100
321102202020222221101021020110
430321003331233223301130
524412414121303133113
6320330342121250020
714641165653345246
oct1471037557536134
9242666887337213
1056697825442908
111707a45a398211
126438503033910
132583774859020
1410002919a5096
15684c91d0bbc3
hex3390fdbebc5c

56697825442908 has 48 divisors (see below), whose sum is σ = 150852132859680. Its totient is φ = 16419279765504.

The previous prime is 56697825442873. The next prime is 56697825443009. The reversal of 56697825442908 is 80924452879665.

It is a self number, because there is not a number n which added to its sum of digits gives 56697825442908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10689632613 + ... + 10689637916.

It is an arithmetic number, because the mean of its divisors is an integer number (3142752767910).

Almost surely, 256697825442908 is an apocalyptic number.

It is an amenable number.

56697825442908 is an abundant number, since it is smaller than the sum of its proper divisors (94154307416772).

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

56697825442908 is a wasteful number, since it uses less digits than its factorization.

56697825442908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379270566 (or 21379270564 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 75.

The spelling of 56697825442908 in words is "fifty-six trillion, six hundred ninety-seven billion, eight hundred twenty-five million, four hundred forty-two thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 21379270529 42758541058 64137811587 85517082116 128275623174 256551246348 277930516877 363447598993 555861033754 726895197986 833791550631 1090342796979 1111722067508 1453790395972 1667583101262 2180685593958 3335166202524 4361371187916 4724818786909 9449637573818 14174456360727 18899275147636 28348912721454 56697825442908