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22033131232 = 257711385383
BaseRepresentation
bin10100100001010001…
…101110011011100000
32002212112020000222111
4110201101232123200
5330110440144412
614042154245104
71410000345130
oct244121563340
962775200874
1022033131232
119387145672
12432aa26794
132101982278
1410d0326ac0
1588e4c52a7
hex52146e6e0

22033131232 has 48 divisors (see below), whose sum is σ = 50272814592. Its totient is φ = 9309767040.

The previous prime is 22033131229. The next prime is 22033131233. The reversal of 22033131232 is 23213133022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033131233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676788 + ... + 708595.

It is an arithmetic number, because the mean of its divisors is an integer number (1047350304).

Almost surely, 222033131232 is an apocalyptic number.

It is an amenable number.

22033131232 is an abundant number, since it is smaller than the sum of its proper divisors (28239683360).

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

22033131232 is a wasteful number, since it uses less digits than its factorization.

22033131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385471 (or 1385463 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22033131232 its reverse (23213133022), we get a palindrome (45246264254).

The spelling of 22033131232 in words is "twenty-two billion, thirty-three million, one hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 71 112 142 224 284 497 568 994 1136 1988 2272 3976 7952 15904 1385383 2770766 5541532 9697681 11083064 19395362 22166128 38790724 44332256 77581448 98362193 155162896 196724386 310325792 393448772 688535351 786897544 1377070702 1573795088 2754141404 3147590176 5508282808 11016565616 22033131232