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56575680009 = 31716719993323
BaseRepresentation
bin110100101100001011…
…000101111000001001
312102000212010022210220
4310230023011320021
51411331333230014
641553541100253
74041666226332
oct645413057011
9172025108726
1056575680009
1121aa2550842
12ab6b0b7689
13544819a844
142a49b95289
151711ce46a9
hexd2c2c5e09

56575680009 has 32 divisors (see below), whose sum is σ = 80414208000. Its totient is φ = 35257635072.

The previous prime is 56575679989. The next prime is 56575680013. The reversal of 56575680009 is 90008657565.

It is not a de Polignac number, because 56575680009 - 28 = 56575679753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (56575680089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17023822 + ... + 17027144.

It is an arithmetic number, because the mean of its divisors is an integer number (2512944000).

Almost surely, 256575680009 is an apocalyptic number.

It is an amenable number.

56575680009 is a deficient number, since it is larger than the sum of its proper divisors (23838527991).

56575680009 is a wasteful number, since it uses less digits than its factorization.

56575680009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 56575680009 in words is "fifty-six billion, five hundred seventy-five million, six hundred eighty thousand, nine".

Divisors: 1 3 17 51 167 501 1999 2839 3323 5997 8517 9969 33983 56491 101949 169473 333833 554941 1001499 1664823 5675161 6642677 9433997 17025483 19928031 28301991 112925509 338776527 1109327059 3327981177 18858560003 56575680009