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56672000007 = 3753592413581
BaseRepresentation
bin110100110001111010…
…100001100000000111
312102021120100220000020
4310301322201200013
51412031013000012
642011301350223
74044246023550
oct646172414007
9172246326006
1056672000007
1122041959447
12ab97408373
13546212331c
142a588a9327
15171a4bda8c
hexd31ea1807

56672000007 has 64 divisors (see below), whose sum is σ = 89874385920. Its totient is φ = 31096166400.

The previous prime is 56671999987. The next prime is 56672000009. The reversal of 56672000007 is 70000027665.

It is not a de Polignac number, because 56672000007 - 211 = 56671997959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672000009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15823957 + ... + 15827537.

It is an arithmetic number, because the mean of its divisors is an integer number (1404287280).

Almost surely, 256672000007 is an apocalyptic number.

56672000007 is a deficient number, since it is larger than the sum of its proper divisors (33202385913).

56672000007 is a wasteful number, since it uses less digits than its factorization.

56672000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 56672000007 in words is "fifty-six billion, six hundred seventy-two million, seven", and thus it is an aban number.

Divisors: 1 3 7 21 53 59 159 177 241 371 413 723 1113 1239 1687 3127 3581 5061 9381 10743 12773 14219 21889 25067 38319 42657 65667 75201 89411 99533 189793 211279 268233 298599 569379 633837 753607 863021 1328551 1478953 2260821 2589063 3985653 4436859 5275249 6041147 11197787 15825747 18123441 33593361 45740113 50918239 78384509 137220339 152754717 235153527 320180791 356427673 960542373 1069283019 2698666667 8096000001 18890666669 56672000007