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56837602668 = 2237111923140761
BaseRepresentation
bin110100111011110010…
…001111110101101100
312102201002222101011010
4310323302033311230
51412400411241133
642035535025220
74051326436260
oct647362176554
9172632871133
1056837602668
1122117388150
12b02296b210
13548a525c72
142a728960a0
151729cd1263
hexd3bc8fd6c

56837602668 has 192 divisors, whose sum is σ = 181616762880. Its totient is φ = 13377830400.

The previous prime is 56837602637. The next prime is 56837602693. The reversal of 56837602668 is 86620673865.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 333408 + ... + 474168.

It is an arithmetic number, because the mean of its divisors is an integer number (945920640).

Almost surely, 256837602668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56837602668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90808381440).

56837602668 is an abundant number, since it is smaller than the sum of its proper divisors (124779160212).

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

56837602668 is a wasteful number, since it uses less digits than its factorization.

56837602668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140828 (or 140826 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 56837602668 in words is "fifty-six billion, eight hundred thirty-seven million, six hundred two thousand, six hundred sixty-eight".