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56006006005 = 5313137115183
BaseRepresentation
bin110100001010001101…
…111101010011110101
312100120011011212222201
4310022031331103311
51404200014143010
641421231024501
74021611124225
oct641215752365
9170504155881
1056006006005
112182aa26284
12aa3036b131
13538715c431
1429d4264085
1516cbcb723a
hexd0a37d4f5

56006006005 has 16 divisors (see below), whose sum is σ = 69397899264. Its totient is φ = 43345290240.

The previous prime is 56006005999. The next prime is 56006006029. The reversal of 56006006005 is 50060060065.

It is not a de Polignac number, because 56006006005 - 213 = 56005997813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428644 + ... + 543826.

It is an arithmetic number, because the mean of its divisors is an integer number (4337368704).

Almost surely, 256006006005 is an apocalyptic number.

It is an amenable number.

56006006005 is a deficient number, since it is larger than the sum of its proper divisors (13391893259).

56006006005 is a wasteful number, since it uses less digits than its factorization.

56006006005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118356.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 56006006005 in words is "fifty-six billion, six million, six thousand, five".

Divisors: 1 5 31 155 3137 15685 97247 115183 486235 575915 3570673 17853365 361329071 1806645355 11201201201 56006006005