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12431623088550 = 235282877487257
BaseRepresentation
bin1011010011100111011001…
…1110100110100110100110
31122000110012012001211002010
42310321312132212212212
53112134431002313200
642235001522455050
72422104131513661
oct264716636464646
948013165054063
1012431623088550
113a63249161726
1214893b9504486
136c23b2750c33
1430d99d9b06d8
15168595ba3150
hexb4e767a69a6

12431623088550 has 24 divisors (see below), whose sum is σ = 30830425259976. Its totient is φ = 3315099490240.

The previous prime is 12431623088537. The next prime is 12431623088603. The reversal of 12431623088550 is 5588032613421.

It is a super-2 number, since 2×124316230885502 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12431623088550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41438743479 + ... + 41438743778.

It is an arithmetic number, because the mean of its divisors is an integer number (1284601052499).

Almost surely, 212431623088550 is an apocalyptic number.

12431623088550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12431623088550 is an abundant number, since it is smaller than the sum of its proper divisors (18398802171426).

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

12431623088550 is a wasteful number, since it uses less digits than its factorization.

12431623088550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82877487272 (or 82877487267 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 12431623088550 in words is "twelve trillion, four hundred thirty-one billion, six hundred twenty-three million, eighty-eight thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 82877487257 165754974514 248632461771 414387436285 497264923542 828774872570 1243162308855 2071937181425 2486324617710 4143874362850 6215811544275 12431623088550