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22023121432 = 2313231525461
BaseRepresentation
bin10100100000101011…
…100010101000011000
32002211211101111010011
4110200223202220120
5330100404341212
614041155531304
71406516305054
oct244053425030
962754344104
1022023121432
119381529104
1243275b9b34
1320cc889100
1410ccc7cc64
1588d6994a7
hex520ae2a18

22023121432 has 48 divisors (see below), whose sum is σ = 46156582080. Its totient is φ = 9836611200.

The previous prime is 22023121409. The next prime is 22023121447. The reversal of 22023121432 is 23412132022.

It is a congruent number.

It is an unprimeable number.

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, 220819 + ... + 304642.

It is an arithmetic number, because the mean of its divisors is an integer number (961595460).

Almost surely, 222023121432 is an apocalyptic number.

It is an amenable number.

22023121432 is an abundant number, since it is smaller than the sum of its proper divisors (24133460648).

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

22023121432 is a wasteful number, since it uses less digits than its factorization.

22023121432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525524 (or 525507 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22023121432 its reverse (23412132022), we get a palindrome (45435253454).

The spelling of 22023121432 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 169 248 338 403 676 806 1352 1612 3224 5239 10478 20956 41912 525461 1050922 2101844 4203688 6830993 13661986 16289291 27323972 32578582 54647944 65157164 88802909 130314328 177605818 211760783 355211636 423521566 710423272 847043132 1694086264 2752890179 5505780358 11011560716 22023121432