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131406237632 = 263755492499
BaseRepresentation
bin111101001100001101…
…1000000111111000000
3110120011221000112000002
41322120123000333000
54123104444101012
6140211151415132
712331240406345
oct1723033007700
9416157015002
10131406237632
115080243929a
12215738244a8
13c5123284c7
1465081627cc
15364153b7c2
hex1e986c0fc0

131406237632 has 28 divisors (see below), whose sum is σ = 267806805000. Its totient is φ = 63927357696.

The previous prime is 131406237587. The next prime is 131406237661. The reversal of 131406237632 is 236732604131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27743882 + ... + 27748617.

It is an arithmetic number, because the mean of its divisors is an integer number (9564528750).

Almost surely, 2131406237632 is an apocalyptic number.

It is an amenable number.

131406237632 is an abundant number, since it is smaller than the sum of its proper divisors (136400567368).

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

131406237632 is an equidigital number, since it uses as much as digits as its factorization.

131406237632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55492548 (or 55492538 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 131406237632 in words is "one hundred thirty-one billion, four hundred six million, two hundred thirty-seven thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 32 37 64 74 148 296 592 1184 2368 55492499 110984998 221969996 443939992 887879984 1775759968 2053222463 3551519936 4106444926 8212889852 16425779704 32851559408 65703118816 131406237632