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56528152017 = 3102118455159
BaseRepresentation
bin110100101001010101…
…110010010111010001
312101220112200122122220
4310221111302113101
51411232201331032
641545122251253
74040551235631
oct645125622721
9171815618586
1056528152017
1121a78739307
12ab571b6b29
13543b39967c
142a437426c1
15170ca5712c
hexd295725d1

56528152017 has 8 divisors (see below), whose sum is σ = 75444694080. Its totient is φ = 37648522320.

The previous prime is 56528152013. The next prime is 56528152049. The reversal of 56528152017 is 71025182565.

56528152017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56528152017 - 22 = 56528152013 is a prime.

It is a super-2 number, since 2×565281520172 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56528152017.

It is not an unprimeable number, because it can be changed into a prime (56528152013) 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, 9224517 + ... + 9230642.

It is an arithmetic number, because the mean of its divisors is an integer number (9430586760).

Almost surely, 256528152017 is an apocalyptic number.

It is an amenable number.

56528152017 is a deficient number, since it is larger than the sum of its proper divisors (18916542063).

56528152017 is a wasteful number, since it uses less digits than its factorization.

56528152017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456183.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 56528152017 in words is "fifty-six billion, five hundred twenty-eight million, one hundred fifty-two thousand, seventeen".

Divisors: 1 3 1021 3063 18455159 55365477 18842717339 56528152017