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56563805752 = 23191283290047
BaseRepresentation
bin110100101011011101…
…110010111000111000
312102000000210001101121
4310223131302320320
51411320313241002
641552434355024
74041463262446
oct645335627070
9172000701347
1056563805752
1121a96880503
12ab6712ba74
1354458a0b5c
142a48383b96
151710c4b237
hexd2b772e38

56563805752 has 32 divisors (see below), whose sum is σ = 111726489600. Its totient is φ = 26772405984.

The previous prime is 56563805741. The next prime is 56563805773. The reversal of 56563805752 is 25750836565.

It is a super-2 number, since 2×565638057522 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56563805752.

It is a congruent number.

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, 49993 + ... + 340039.

It is an arithmetic number, because the mean of its divisors is an integer number (3491452800).

Almost surely, 256563805752 is an apocalyptic number.

It is an amenable number.

56563805752 is a deficient number, since it is larger than the sum of its proper divisors (55162683848).

56563805752 is a wasteful number, since it uses less digits than its factorization.

56563805752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291355 (or 291351 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 56563805752 in words is "fifty-six billion, five hundred sixty-three million, eight hundred five thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 1283 2566 5132 10264 24377 48754 97508 195016 290047 580094 1160188 2320376 5510893 11021786 22043572 44087144 372130301 744260602 1488521204 2977042408 7070475719 14140951438 28281902876 56563805752