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22812738630 = 23511218134721
BaseRepresentation
bin10101001111101111…
…101100010001000110
32011212212012012021120
4111033233230101012
5333210030114010
614251404054410
71435215036033
oct251757542106
964785165246
1022812738630
119747218200
124507b34406
1321c7345116
141165aa438a
158d7b6ee70
hex54fbec446

22812738630 has 96 divisors (see below), whose sum is σ = 60514612704. Its totient is φ = 5499648000.

The previous prime is 22812738629. The next prime is 22812738649. The reversal of 22812738630 is 3683721822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 639670 + ... + 674390.

It is an arithmetic number, because the mean of its divisors is an integer number (630360549).

Almost surely, 222812738630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22812738630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30257306352).

22812738630 is an abundant number, since it is smaller than the sum of its proper divisors (37701874074).

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

22812738630 is a wasteful number, since it uses less digits than its factorization.

22812738630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34934 (or 34923 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 22812738630 in words is "twenty-two billion, eight hundred twelve million, seven hundred thirty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 181 242 330 362 363 543 605 726 905 1086 1210 1810 1815 1991 2715 3630 3982 5430 5973 9955 11946 19910 21901 29865 34721 43802 59730 65703 69442 104163 109505 131406 173605 208326 219010 328515 347210 381931 520815 657030 763862 1041630 1145793 1909655 2291586 3819310 4201241 5728965 6284501 8402482 11457930 12569002 12603723 18853503 21006205 25207446 31422505 37707006 42012410 62845010 63018615 69129511 94267515 126037230 138259022 188535030 207388533 345647555 414777066 691295110 760424621 1036942665 1520849242 2073885330 2281273863 3802123105 4562547726 7604246210 11406369315 22812738630