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12500323132 = 22113174791871
BaseRepresentation
bin10111010010001001…
…11100101100111100
31012021011120012122211
423221010330230330
5201100040320012
65424221150204
7621524664523
oct135104745474
935234505584
1012500323132
115335119870
12250a3bb364
131242a00a0b
148682594ba
154d264e6a7
hex2e913cb3c

12500323132 has 48 divisors (see below), whose sum is σ = 24002334720. Its totient is φ = 5649195200.

The previous prime is 12500323103. The next prime is 12500323151. The reversal of 12500323132 is 23132300521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6680157 + ... + 6682027.

It is an arithmetic number, because the mean of its divisors is an integer number (500048640).

Almost surely, 212500323132 is an apocalyptic number.

It is an amenable number.

12500323132 is a deficient number, since it is larger than the sum of its proper divisors (11502011588).

12500323132 is a wasteful number, since it uses less digits than its factorization.

12500323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 12500323132 its reverse (23132300521), we get a palindrome (35632623653).

The spelling of 12500323132 in words is "twelve billion, five hundred million, three hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 317 479 634 958 1268 1871 1916 3487 3742 5269 6974 7484 10538 13948 20581 21076 41162 82324 151843 303686 593107 607372 896209 1186214 1670273 1792418 2372428 3340546 3584836 6524177 6681092 9858299 13048354 19716598 26096708 39433196 284098253 568196506 1136393012 3125080783 6250161566 12500323132