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12231450032 = 2419181222293
BaseRepresentation
bin10110110010000110…
…10001110110110000
31011120102122001002212
423121003101312300
5200022222400112
65341414231252
7612051416114
oct133103216660
934512561085
1012231450032
11520737549a
122454355528
1311cc0b0ac9
14840669744
154b8c3d522
hex2d90d1db0

12231450032 has 40 divisors (see below), whose sum is σ = 25083654960. Its totient is φ = 5761808640.

The previous prime is 12231450029. The next prime is 12231450053. The reversal of 12231450032 is 23005413221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56123 + ... + 166170.

It is an arithmetic number, because the mean of its divisors is an integer number (627091374).

Almost surely, 212231450032 is an apocalyptic number.

It is an amenable number.

12231450032 is an abundant number, since it is smaller than the sum of its proper divisors (12852204928).

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

12231450032 is a wasteful number, since it uses less digits than its factorization.

12231450032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222501 (or 222495 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12231450032 its reverse (23005413221), we get a palindrome (35236863253).

The spelling of 12231450032 in words is "twelve billion, two hundred thirty-one million, four hundred fifty thousand, thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 181 304 362 724 1448 2896 3439 6878 13756 27512 55024 222293 444586 889172 1778344 3556688 4223567 8447134 16894268 33788536 40235033 67577072 80470066 160940132 321880264 643760528 764465627 1528931254 3057862508 6115725016 12231450032