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56560255155 = 345139654951
BaseRepresentation
bin110100101011010000…
…010000000010110011
312101222210002122220000
4310223100100002303
51411313411131110
641552230321043
74041421144035
oct645320200263
9171883078800
1056560255155
1121a94875928
12ab65ab9183
135444c29a01
142a47adbc55
1517107991c0
hexd2b4100b3

56560255155 has 20 divisors (see below), whose sum is σ = 101389495152. Its totient is φ = 30165469200.

The previous prime is 56560255151. The next prime is 56560255159. The reversal of 56560255155 is 55155206565.

56560255155 is a `hidden beast` number, since 56 + 5 + 60 + 25 + 515 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (56560255151) and next prime (56560255159).

It is not a de Polignac number, because 56560255155 - 22 = 56560255151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56560255155.

It is not an unprimeable number, because it can be changed into a prime (56560255151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69827071 + ... + 69827880.

Almost surely, 256560255155 is an apocalyptic number.

56560255155 is a deficient number, since it is larger than the sum of its proper divisors (44829239997).

56560255155 is a wasteful number, since it uses less digits than its factorization.

56560255155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139654968 (or 139654959 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 45.

The spelling of 56560255155 in words is "fifty-six billion, five hundred sixty million, two hundred fifty-five thousand, one hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 139654951 418964853 698274755 1256894559 2094824265 3770683677 6284472795 11312051031 18853418385 56560255155