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56572427565 = 3352811491299
BaseRepresentation
bin110100101011111110…
…101011110100101101
312102000122000002022000
4310223332223310231
51411330020140230
641553343242513
74041626462103
oct645376536455
9172018002260
1056572427565
1121aa072a175
12ab69ba9439
1354475cc314
142a49589c73
1517118a0b60
hexd2bfabd2d

56572427565 has 32 divisors (see below), whose sum is σ = 100931184000. Its totient is φ = 30064567680.

The previous prime is 56572427539. The next prime is 56572427567.

56572427565 is a `hidden beast` number, since 5 + 6 + 5 + 72 + 4 + 2 + 7 + 565 = 666.

56572427565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56572427565 - 25 = 56572427533 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56572427567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707715 + ... + 783584.

It is an arithmetic number, because the mean of its divisors is an integer number (3154099500).

Almost surely, 256572427565 is an apocalyptic number.

It is an amenable number.

56572427565 is a deficient number, since it is larger than the sum of its proper divisors (44358756435).

56572427565 is a wasteful number, since it uses less digits than its factorization.

56572427565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491594 (or 1491588 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

The spelling of 56572427565 in words is "fifty-six billion, five hundred seventy-two million, four hundred twenty-seven thousand, five hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 135 281 843 1405 2529 4215 7587 12645 37935 1491299 4473897 7456495 13421691 22369485 40265073 67108455 201325365 419055019 1257165057 2095275095 3771495171 6285825285 11314485513 18857475855 56572427565