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12550239625 = 537114727743
BaseRepresentation
bin10111011000000110…
…10111010110001001
31012101122111020012211
423230003113112021
5201200330132000
65433203105121
7623002163620
oct135403272611
935348436184
1012550239625
115360312870
1225230721a1
13125015a0c1
14870b306b7
154d6c0e7ba
hex2ec0d7589

12550239625 has 64 divisors (see below), whose sum is σ = 19943718912. Its totient is φ = 7656792000.

The previous prime is 12550239623. The next prime is 12550239631. The reversal of 12550239625 is 52693205521.

12550239625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12550239625 - 21 = 12550239623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12550239623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 438504 + ... + 466246.

It is an arithmetic number, because the mean of its divisors is an integer number (311620608).

Almost surely, 212550239625 is an apocalyptic number.

It is an amenable number.

12550239625 is a deficient number, since it is larger than the sum of its proper divisors (7393479287).

12550239625 is a wasteful number, since it uses less digits than its factorization.

12550239625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27823 (or 27813 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 12550239625 in words is "twelve billion, five hundred fifty million, two hundred thirty-nine thousand, six hundred twenty-five".

Divisors: 1 5 7 11 25 35 47 55 77 125 175 235 275 329 385 517 875 1175 1375 1645 1925 2585 3619 5875 8225 9625 12925 18095 27743 41125 64625 90475 138715 194201 305173 452375 693575 971005 1303921 1525865 2136211 3467875 4855025 6519605 7629325 9127447 10681055 14343131 24275125 32598025 38146625 45637235 53405275 71715655 100401917 162990125 228186175 267026375 358578275 502009585 1140930875 1792891375 2510047925 12550239625