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57897395735 = 561877216451
BaseRepresentation
bin110101111010111101…
…000010011000010111
312112102222011102221012
4311322331002120113
51422033213130420
642333034042435
74116515513054
oct657275023027
9175388142835
1057897395735
1122610630393
12b27987941b
1355c8c69b5a
142b3352a02b
15178cd73dc5
hexd7af42617

57897395735 has 16 divisors (see below), whose sum is σ = 70696686432. Its totient is φ = 45506448000.

The previous prime is 57897395687. The next prime is 57897395749. The reversal of 57897395735 is 53759379875.

It is a de Polignac number, because none of the positive numbers 2k-57897395735 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, 159260 + ... + 375710.

It is an arithmetic number, because the mean of its divisors is an integer number (4418542902).

Almost surely, 257897395735 is an apocalyptic number.

57897395735 is a deficient number, since it is larger than the sum of its proper divisors (12799290697).

57897395735 is a wasteful number, since it uses less digits than its factorization.

57897395735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217394.

The product of its digits is 250047000, while the sum is 68.

The spelling of 57897395735 in words is "fifty-seven billion, eight hundred ninety-seven million, three hundred ninety-five thousand, seven hundred thirty-five".

Divisors: 1 5 61 305 877 4385 53497 216451 267485 1082255 13203511 66017555 189827527 949137635 11579479147 57897395735