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56005115115 = 35231087149341
BaseRepresentation
bin110100001010001010…
…100011110011101011
312100120002111121220210
4310022022203303223
51404144302140430
641421155552203
74021600423665
oct641212436353
9170502447823
1056005115115
112182a477a04
12aa2bbbb663
135386c09a91
1429d40b1535
1516cbb8d2b0
hexd0a2a3ceb

56005115115 has 32 divisors (see below), whose sum is σ = 93590839296. Its totient is φ = 28544250240.

The previous prime is 56005115113. The next prime is 56005115123. The reversal of 56005115115 is 51151150065.

56005115115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56005115115 - 21 = 56005115113 is a prime.

56005115115 is a modest number, since divided by 115115 gives 56005 as remainder.

It is not an unprimeable number, because it can be changed into a prime (56005115113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300345 + ... + 449685.

It is an arithmetic number, because the mean of its divisors is an integer number (2924713728).

Almost surely, 256005115115 is an apocalyptic number.

56005115115 is a deficient number, since it is larger than the sum of its proper divisors (37585724181).

56005115115 is a wasteful number, since it uses less digits than its factorization.

56005115115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150459.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 56005115115 in words is "fifty-six billion, five million, one hundred fifteen thousand, one hundred fifteen".

Divisors: 1 3 5 15 23 69 115 345 1087 3261 5435 16305 25001 75003 125005 149341 375015 448023 746705 2240115 3434843 10304529 17174215 51522645 162333667 487001001 811668335 2435005005 3733674341 11201023023 18668371705 56005115115