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56757751005256 = 2377114275088281
BaseRepresentation
bin11001110011110111100011…
…00101100100000001001000
321102221222200020220020201121
430321323301211210001020
524414404333224132011
6320414052330125024
714645416660254460
oct1471736145440110
9242858606806647
1056757751005256
11170a2910853154
126448047b80774
132589304a52862
1410031385dcba0
156865ecc58e71
hex339ef1964048

56757751005256 has 32 divisors (see below), whose sum is σ = 123336762756480. Its totient is φ = 23982148310400.

The previous prime is 56757751005209. The next prime is 56757751005269. The reversal of 56757751005256 is 65250015775765.

It is a junction number, because it is equal to n+sod(n) for n = 56757751005194 and 56757751005203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7137540165 + ... + 7137548116.

It is an arithmetic number, because the mean of its divisors is an integer number (3854273836140).

Almost surely, 256757751005256 is an apocalyptic number.

56757751005256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56757751005256 is an abundant number, since it is smaller than the sum of its proper divisors (66579011751224).

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

56757751005256 is a wasteful number, since it uses less digits than its factorization.

56757751005256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14275088365 (or 14275088361 counting only the distinct ones).

The product of its (nonzero) digits is 77175000, while the sum is 61.

The spelling of 56757751005256 in words is "fifty-six trillion, seven hundred fifty-seven billion, seven hundred fifty-one million, five thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 14275088281 28550176562 57100353124 99925617967 114200706248 199851235934 399702471868 799404943736 1013531267951 2027062535902 4054125071804 7094718875657 8108250143608 14189437751314 28378875502628 56757751005256