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231358853132 = 22115258155753
BaseRepresentation
bin1101011101111000001…
…1111111000000001100
3211010011210111110221022
43113132003333000030
512242310331300012
6254141303053312
722500200542541
oct3273603770014
9733153443838
10231358853132
118a13404a750
1238a09741238
1318a81087184
14b2aabaabc8
156041516472
hex35de0ff00c

231358853132 has 12 divisors (see below), whose sum is σ = 441685083336. Its totient is φ = 105163115040.

The previous prime is 231358853111. The next prime is 231358853147.

231358853132 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 5258155753 = 231358853132 / (2 + 3 + 1 + 3 + 5 + 8 + 8 + 5 + 3 + 1 + 3 + 2).

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, 2629077833 + ... + 2629077920.

It is an arithmetic number, because the mean of its divisors is an integer number (36807090278).

Almost surely, 2231358853132 is an apocalyptic number.

231358853132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231358853132 is a deficient number, since it is larger than the sum of its proper divisors (210326230204).

231358853132 is a wasteful number, since it uses less digits than its factorization.

231358853132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258155768 (or 5258155766 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 231358853132 in words is "two hundred thirty-one billion, three hundred fifty-eight million, eight hundred fifty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 5258155753 10516311506 21032623012 57839713283 115679426566 231358853132