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56060613613 = 139403313767
BaseRepresentation
bin110100001101011110…
…010001001111101101
312100200221221020112201
4310031132101033231
51404303004113423
641430501301501
74023143232124
oct641536211755
9170627836481
1056060613613
1121858833834
12aa46704891
13539556bb24
1429db5daabb
1516d19a22ad
hexd0d7913ed

56060613613 has 4 divisors (see below), whose sum is σ = 56463927520. Its totient is φ = 55657299708.

The previous prime is 56060613577. The next prime is 56060613619. The reversal of 56060613613 is 31631606065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56060613613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56060613619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201656745 + ... + 201657022.

It is an arithmetic number, because the mean of its divisors is an integer number (14115981880).

Almost surely, 256060613613 is an apocalyptic number.

It is an amenable number.

56060613613 is a deficient number, since it is larger than the sum of its proper divisors (403313907).

56060613613 is a wasteful number, since it uses less digits than its factorization.

56060613613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403313906.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 56060613613 in words is "fifty-six billion, sixty million, six hundred thirteen thousand, six hundred thirteen".

Divisors: 1 139 403313767 56060613613