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12510055632 = 2432237116507
BaseRepresentation
bin10111010011010100…
…00100110011010000
31012021211212200010210
423221222010303100
5201110033240012
65425205524120
7622003501254
oct135152046320
935254780123
1012510055632
11533a666a58
122511713640
131244a2a8a9
14869670264
154d342323c
hex2e9a84cd0

12510055632 has 40 divisors (see below), whose sum is σ = 32332368096. Its totient is φ = 4168118656.

The previous prime is 12510055577. The next prime is 12510055667. The reversal of 12510055632 is 23655001521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12510055632.

It is a congruent number.

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, 49123 + ... + 165629.

Almost surely, 212510055632 is an apocalyptic number.

12510055632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12510055632 is an abundant number, since it is smaller than the sum of its proper divisors (19822312464).

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

12510055632 is a wasteful number, since it uses less digits than its factorization.

12510055632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118755 (or 118749 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 12510055632 in words is "twelve billion, five hundred ten million, fifty-five thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 2237 4474 6711 8948 13422 17896 26844 35792 53688 107376 116507 233014 349521 466028 699042 932056 1398084 1864112 2796168 5592336 260626159 521252318 781878477 1042504636 1563756954 2085009272 3127513908 4170018544 6255027816 12510055632