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56131560282 = 23711083120587
BaseRepresentation
bin110100010001101100…
…111010001101011010
312100212220102201002010
4310101230322031122
51404424134412112
641441514050350
74024664250540
oct642154721532
9170786381063
1056131560282
1121894891046
12aa664199b6
1353a717c4c5
142a06bc7d90
1516d7d1863c
hexd11b3a35a

56131560282 has 32 divisors (see below), whose sum is σ = 128313349632. Its totient is φ = 16036008624.

The previous prime is 56131560281. The next prime is 56131560319. The reversal of 56131560282 is 28206513165.

56131560282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56131560282.

It is not an unprimeable number, because it can be changed into a prime (56131560281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405193 + ... + 525779.

It is an arithmetic number, because the mean of its divisors is an integer number (4009792176).

Almost surely, 256131560282 is an apocalyptic number.

56131560282 is an abundant number, since it is smaller than the sum of its proper divisors (72181789350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56131560282 is a wasteful number, since it uses less digits than its factorization.

56131560282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131682.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 56131560282 in words is "fifty-six billion, one hundred thirty-one million, five hundred sixty thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 11083 22166 33249 66498 77581 120587 155162 232743 241174 361761 465486 723522 844109 1688218 2532327 5064654 1336465721 2672931442 4009397163 8018794326 9355260047 18710520094 28065780141 56131560282