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31364272398 = 2316093248837
BaseRepresentation
bin11101001101011101…
…001101000100001110
32222221211102010021110
4131031131031010032
51003213223204043
622224125112450
72160143626254
oct351535150416
988854363243
1031364272398
1112335350088
1260b39b8726
132c5ac14884
1417376da5d4
15c387b2b33
hex74d74d10e

31364272398 has 16 divisors (see below), whose sum is σ = 62767550160. Its totient is φ = 10448256576.

The previous prime is 31364272393. The next prime is 31364272399. The reversal of 31364272398 is 89327246313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31364272393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614765 + ... + 1634072.

It is an arithmetic number, because the mean of its divisors is an integer number (3922971885).

Almost surely, 231364272398 is an apocalyptic number.

31364272398 is an abundant number, since it is smaller than the sum of its proper divisors (31403277762).

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

31364272398 is a wasteful number, since it uses less digits than its factorization.

31364272398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250451.

The product of its digits is 1306368, while the sum is 48.

The spelling of 31364272398 in words is "thirty-one billion, three hundred sixty-four million, two hundred seventy-two thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 1609 3218 4827 9654 3248837 6497674 9746511 19493022 5227378733 10454757466 15682136199 31364272398