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12389644504 = 237272130269
BaseRepresentation
bin10111000100111101…
…01111100011011000
31011222110022011010101
423202132233203120
5200333222111004
65405225025144
7616012145356
oct134236574330
934873264111
1012389644504
1152886a4326
1224993251b4
131225abb7c3
148576887d6
154c7a8aba4
hex2e27af8d8

12389644504 has 16 divisors (see below), whose sum is σ = 23262548400. Its totient is φ = 6186298272.

The previous prime is 12389644493. The next prime is 12389644537. The reversal of 12389644504 is 40544698321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059319 + ... + 1070950.

It is an arithmetic number, because the mean of its divisors is an integer number (1453909275).

Almost surely, 212389644504 is an apocalyptic number.

It is an amenable number.

12389644504 is a deficient number, since it is larger than the sum of its proper divisors (10872903896).

12389644504 is a wasteful number, since it uses less digits than its factorization.

12389644504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131002 (or 2130998 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 12389644504 in words is "twelve billion, three hundred eighty-nine million, six hundred forty-four thousand, five hundred four".

Divisors: 1 2 4 8 727 1454 2908 5816 2130269 4260538 8521076 17042152 1548705563 3097411126 6194822252 12389644504