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56580709688 = 2323517159467
BaseRepresentation
bin110100101100011110…
…010001110100111000
312102001012120212020022
4310230132101310320
51411334130202223
641554240550012
74042060045166
oct645436216470
9172035525208
1056580709688
1121aa53766a8
12ab70922308
13544923bc99
142a4a704236
151712489ac8
hexd2c791d38

56580709688 has 32 divisors (see below), whose sum is σ = 110724658560. Its totient is φ = 27054651360.

The previous prime is 56580709687. The next prime is 56580709709. The reversal of 56580709688 is 88690708565.

56580709688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2378672-1.

It is a self number, because there is not a number n which added to its sum of digits gives 56580709688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56580709681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921731 + ... + 981197.

It is an arithmetic number, because the mean of its divisors is an integer number (3460145580).

Almost surely, 256580709688 is an apocalyptic number.

It is an amenable number.

56580709688 is a deficient number, since it is larger than the sum of its proper divisors (54143948872).

56580709688 is a wasteful number, since it uses less digits than its factorization.

56580709688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64667 (or 64663 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 56580709688 in words is "fifty-six billion, five hundred eighty million, seven hundred nine thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 23 46 92 184 5171 10342 20684 41368 59467 118933 118934 237866 237868 475732 475736 951464 1367741 2735482 5470964 10941928 307503857 615007714 1230015428 2460030856 7072588711 14145177422 28290354844 56580709688