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22136982180 = 22353257113279
BaseRepresentation
bin10100100111011101…
…111000101010100100
32010010202122012200220
4110213131320222210
5330314031412210
614100344204340
71412401146435
oct244735705244
963122565626
1022136982180
11942a8273a5
1243597696b0
13211a343831
14110003b48c
1589868ac70
hex527778aa4

22136982180 has 48 divisors (see below), whose sum is σ = 62003128320. Its totient is φ = 5901330688.

The previous prime is 22136982149. The next prime is 22136982223. The reversal of 22136982180 is 8128963122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138781 + ... + 252059.

It is an arithmetic number, because the mean of its divisors is an integer number (1291731840).

Almost surely, 222136982180 is an apocalyptic number.

22136982180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22136982180 is an abundant number, since it is smaller than the sum of its proper divisors (39866146140).

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

22136982180 is a wasteful number, since it uses less digits than its factorization.

22136982180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116548 (or 116546 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 22136982180 in words is "twenty-two billion, one hundred thirty-six million, nine hundred eighty-two thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3257 6514 9771 13028 16285 19542 32570 39084 48855 65140 97710 113279 195420 226558 339837 453116 566395 679674 1132790 1359348 1699185 2265580 3398370 6796740 368949703 737899406 1106849109 1475798812 1844748515 2213698218 3689497030 4427396436 5534245545 7378994060 11068491090 22136982180