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31593553953 = 3135503147209
BaseRepresentation
bin11101011011000111…
…110110000000100001
310000112210211211102220
4131123013312000201
51004200422211303
622302555301253
72165626530513
oct353307660041
9100483754386
1031593553953
1112442812775
12615874a829
132c96581b30
141759d41bb3
15c4d9a3053
hex75b1f6021

31593553953 has 16 divisors (see below), whose sum is σ = 45373655040. Its totient is φ = 19438521984.

The previous prime is 31593553939. The next prime is 31593553961. The reversal of 31593553953 is 35935539513.

It is not a de Polignac number, because 31593553953 - 25 = 31593553921 is a prime.

It is a super-2 number, since 2×315935539532 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31593553896 and 31593553905.

It is not an unprimeable number, because it can be changed into a prime (31593553903) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 141013 + ... + 288221.

It is an arithmetic number, because the mean of its divisors is an integer number (2835853440).

Almost surely, 231593553953 is an apocalyptic number.

It is an amenable number.

31593553953 is a deficient number, since it is larger than the sum of its proper divisors (13780101087).

31593553953 is a wasteful number, since it uses less digits than its factorization.

31593553953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152728.

The product of its digits is 4100625, while the sum is 51.

The spelling of 31593553953 in words is "thirty-one billion, five hundred ninety-three million, five hundred fifty-three thousand, nine hundred fifty-three".

Divisors: 1 3 13 39 5503 16509 71539 147209 214617 441627 1913717 5741151 810091127 2430273381 10531184651 31593553953