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22132312132 = 227790439719
BaseRepresentation
bin10100100111001100…
…000100100001000100
32010010102211221121011
4110213030010201010
5330311332442012
614100100132004
71412313356230
oct244714044104
963112757534
1022132312132
119428127757
124358097004
132119399ca8
1410dd5835c0
158980671a7
hex527304844

22132312132 has 12 divisors (see below), whose sum is σ = 44264624320. Its totient is φ = 9485276616.

The previous prime is 22132312099. The next prime is 22132312157. The reversal of 22132312132 is 23121323122.

22132312132 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395219832 + ... + 395219887.

Almost surely, 222132312132 is an apocalyptic number.

It is an amenable number.

22132312132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22132312132 is a wasteful number, since it uses less digits than its factorization.

22132312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790439730 (or 790439728 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 22132312132 its reverse (23121323122), we get a palindrome (45253635254).

The spelling of 22132312132 in words is "twenty-two billion, one hundred thirty-two million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 790439719 1580879438 3161758876 5533078033 11066156066 22132312132