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831475053140 = 225671733586727
BaseRepresentation
bin11000001100101111100…
…01100111001001010100
32221111011221000002212112
430012113301213021110
5102110330103200030
61433550244010152
7114033504224234
oct14062761471124
92844157002775
10831475053140
112a0698a9a006
1211518b390958
136053bb0aa84
142c35a65bcc4
1516966688a95
hexc197c67254

831475053140 has 48 divisors (see below), whose sum is σ = 1782402959232. Its totient is φ = 325732108416.

The previous prime is 831475053109. The next prime is 831475053151. The reversal of 831475053140 is 41350574138.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561544 + ... + 2025183.

It is an arithmetic number, because the mean of its divisors is an integer number (37133394984).

Almost surely, 2831475053140 is an apocalyptic number.

It is an amenable number.

831475053140 is an abundant number, since it is smaller than the sum of its proper divisors (950927906092).

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

831475053140 is a wasteful number, since it uses less digits than its factorization.

831475053140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586976 (or 3586974 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 831475053140 in words is "eight hundred thirty-one billion, four hundred seventy-five million, fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 173 268 335 346 670 692 865 1340 1730 3460 11591 23182 46364 57955 115910 231820 3586727 7173454 14346908 17933635 35867270 71734540 240310709 480621418 620503771 961242836 1201553545 1241007542 2403107090 2482015084 3102518855 4806214180 6205037710 12410075420 41573752657 83147505314 166295010628 207868763285 415737526570 831475053140