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3131427588 = 223260952299
BaseRepresentation
bin1011101010100101…
…1100101100000100
322002020100000002120
42322221130230010
522403121140323
61234421205540
7140412460332
oct27251345404
98066300076
103131427588
111367677993
127348608b0
133ab9aca43
14219c58b52
15134da55e3
hexbaa5cb04

3131427588 has 12 divisors (see below), whose sum is σ = 7306664400. Its totient is φ = 1043809192.

The previous prime is 3131427577. The next prime is 3131427613. The reversal of 3131427588 is 8857241313.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130476138 + ... + 130476161.

It is an arithmetic number, because the mean of its divisors is an integer number (608888700).

Almost surely, 23131427588 is an apocalyptic number.

It is an amenable number.

3131427588 is an abundant number, since it is smaller than the sum of its proper divisors (4175236812).

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

3131427588 is a wasteful number, since it uses less digits than its factorization.

3131427588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260952306 (or 260952304 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 3131427588 is about 55959.1600008435. The cubic root of 3131427588 is about 1463.0105496625.

The spelling of 3131427588 in words is "three billion, one hundred thirty-one million, four hundred twenty-seven thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 260952299 521904598 782856897 1043809196 1565713794 3131427588