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56840801415 = 35291229106321
BaseRepresentation
bin110100111011111110…
…011100110010000111
312102201022222220000020
4310323332130302013
51412402221121130
642040131350223
74051365561126
oct647376346207
9172638886006
1056840801415
1122119172442
12b023a52373
13548b0a5c08
142a73089abd
15172a213e10
hexd3bf9cc87

56840801415 has 32 divisors (see below), whose sum is σ = 94158763200. Its totient is φ = 29245655040.

The previous prime is 56840801411. The next prime is 56840801443. The reversal of 56840801415 is 51410804865.

It is not a de Polignac number, because 56840801415 - 22 = 56840801411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56840801411) 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, 481455 + ... + 587775.

It is an arithmetic number, because the mean of its divisors is an integer number (2942461350).

Almost surely, 256840801415 is an apocalyptic number.

56840801415 is a deficient number, since it is larger than the sum of its proper divisors (37317961785).

56840801415 is a wasteful number, since it uses less digits than its factorization.

56840801415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107587.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 56840801415 in words is "fifty-six billion, eight hundred forty million, eight hundred one thousand, four hundred fifteen".

Divisors: 1 3 5 15 29 87 145 435 1229 3687 6145 18435 35641 106321 106923 178205 318963 531605 534615 1594815 3083309 9249927 15416545 46249635 130668509 392005527 653342545 1960027635 3789386761 11368160283 18946933805 56840801415