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12352443172 = 2219162532147
BaseRepresentation
bin10111000000100001…
…10101001100100100
31011212212022010111021
423200100311030210
5200244211140142
65401415420524
7615051014566
oct134020651444
934785263437
1012352443172
1152696a5423
122488984744
13121b194a94
14852763336
154c468d267
hex2e0435324

12352443172 has 12 divisors (see below), whose sum is σ = 22754500720. Its totient is φ = 5851157256.

The previous prime is 12352443167. The next prime is 12352443247. The reversal of 12352443172 is 27134425321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81265998 + ... + 81266149.

Almost surely, 212352443172 is an apocalyptic number.

It is an amenable number.

12352443172 is a deficient number, since it is larger than the sum of its proper divisors (10402057548).

12352443172 is a wasteful number, since it uses less digits than its factorization.

12352443172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162532170 (or 162532168 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

Adding to 12352443172 its reverse (27134425321), we get a palindrome (39486868493).

The spelling of 12352443172 in words is "twelve billion, three hundred fifty-two million, four hundred forty-three thousand, one hundred seventy-two".

Divisors: 1 2 4 19 38 76 162532147 325064294 650128588 3088110793 6176221586 12352443172