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22013131032 = 2332424172091
BaseRepresentation
bin10100100000000101…
…011011100100011000
32002211010120220212100
4110200011123210120
5330040330143112
614040201443400
71406335345404
oct244005334430
962733526770
1022013131032
119376925182
1243241a0560
1320ca79ba29
1410cb7dc104
1588c8742dc
hex52015b918

22013131032 has 48 divisors (see below), whose sum is σ = 59633781480. Its totient is φ = 7335878400.

The previous prime is 22013131027. The next prime is 22013131033. The reversal of 22013131032 is 23013131022.

22013131032 is a `hidden beast` number, since 220 + 131 + 310 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22013130996 and 22013131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013131033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269307 + ... + 341397.

Almost surely, 222013131032 is an apocalyptic number.

It is an amenable number.

22013131032 is an abundant number, since it is smaller than the sum of its proper divisors (37620650448).

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

22013131032 is a wasteful number, since it uses less digits than its factorization.

22013131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76344 (or 76337 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22013131032 its reverse (23013131022), we get a palindrome (45026262054).

The spelling of 22013131032 in words is "twenty-two billion, thirteen million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4241 8482 12723 16964 25446 33928 38169 50892 72091 76338 101784 144182 152676 216273 288364 305352 432546 576728 648819 865092 1297638 1730184 2595276 5190552 305737931 611475862 917213793 1222951724 1834427586 2445903448 2751641379 3668855172 5503282758 7337710344 11006565516 22013131032