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221112423133024 = 25173253112494441
BaseRepresentation
bin110010010001100110111111…
…011011111010111101100000
31001222220010210221110212200211
4302101212333123322331200
5212440201220310224044
62102133351144023504
764400562654060613
oct6221467733727540
91058803727425624
10221112423133024
11644a9285519065
122097109b161b94
13964ba73063467
143c85c8123017a
151a86995379634
hexc919bf6faf60

221112423133024 has 48 divisors (see below), whose sum is σ = 460936058221296. Its totient is φ = 104049698099200.

The previous prime is 221112423133009. The next prime is 221112423133027. The reversal of 221112423133024 is 420331324211122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112423133027) 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, 11449644 + ... + 23944084.

It is an arithmetic number, because the mean of its divisors is an integer number (9602834546277).

Almost surely, 2221112423133024 is an apocalyptic number.

It is an amenable number.

221112423133024 is an abundant number, since it is smaller than the sum of its proper divisors (239823635088272).

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

221112423133024 is a wasteful number, since it uses less digits than its factorization.

221112423133024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526999 (or 12526991 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 221112423133024 its reverse (420331324211122), we get a palindrome (641443747344146).

The spelling of 221112423133024 in words is "two hundred twenty-one trillion, one hundred twelve billion, four hundred twenty-three million, one hundred thirty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 32531 65062 130124 260248 520496 553027 1040992 1106054 2212108 4424216 8848432 12494441 17696864 24988882 49977764 99955528 199911056 212405497 399822112 424810994 849621988 1699243976 3398487952 6796975904 406456660171 812913320342 1625826640684 3251653281368 6503306562736 6909763222907 13006613125472 13819526445814 27639052891628 55278105783256 110556211566512 221112423133024