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22045023992 = 2323412263271
BaseRepresentation
bin10100100001111111…
…000101111011111000
32002220100121020210002
4110201333011323320
5330122011231432
614043301212132
71410203416655
oct244177057370
962810536702
1022045023992
1193929288a2
124332a01048
1321042874c4
1410d1b40c2c
15890573e62
hex521fc5ef8

22045023992 has 96 divisors (see below), whose sum is σ = 44541066240. Its totient is φ = 10209196800.

The previous prime is 22045023991. The next prime is 22045024007. The reversal of 22045023992 is 29932054022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045023991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81346817 + ... + 81347087.

It is an arithmetic number, because the mean of its divisors is an integer number (463969440).

Almost surely, 222045023992 is an apocalyptic number.

It is an amenable number.

22045023992 is an abundant number, since it is smaller than the sum of its proper divisors (22496042248).

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

22045023992 is a wasteful number, since it uses less digits than its factorization.

22045023992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

It can be divided in two parts, 220450 and 23992, that added together give a palindrome (244442).

The spelling of 22045023992 in words is "twenty-two billion, forty-five million, twenty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 23 41 46 82 92 164 184 263 271 328 526 542 943 1052 1084 1681 1886 2104 2168 3362 3772 6049 6233 6724 7544 10783 11111 12098 12466 13448 21566 22222 24196 24932 38663 43132 44444 48392 49864 71273 77326 86264 88888 142546 154652 248009 255553 285092 309304 442103 455551 496018 511106 570184 884206 911102 992036 1022212 1639279 1768412 1822204 1984072 2044424 2922193 3278558 3536824 3644408 5844386 6557116 10168369 10477673 11688772 13114232 20336738 20955346 23377544 40673476 41910692 67210439 81346952 83821384 119809913 134420878 239619826 268841756 479239652 537683512 958479304 2755627999 5511255998 11022511996 22045023992