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12499028973 = 333116099281
BaseRepresentation
bin10111010010000000…
…00000101111101101
31012021002010110102000
423221000000233231
5201044222411343
65424133322513
7621510664464
oct135100005755
935232113360
1012499028973
115334415512
122509a96439
131242669942
14867ddd9db
154d2495ed3
hex2e9000bed

12499028973 has 32 divisors (see below), whose sum is σ = 19128345600. Its totient is φ = 8058009600.

The previous prime is 12499028963. The next prime is 12499028981. The reversal of 12499028973 is 37982099421.

12499028973 is a `hidden beast` number, since 1 + 2 + 499 + 0 + 2 + 89 + 73 = 666.

It is not a de Polignac number, because 12499028973 - 26 = 12499028909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499028963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1342093 + ... + 1351373.

It is an arithmetic number, because the mean of its divisors is an integer number (597760800).

Almost surely, 212499028973 is an apocalyptic number.

It is an amenable number.

12499028973 is a deficient number, since it is larger than the sum of its proper divisors (6629316627).

12499028973 is a wasteful number, since it uses less digits than its factorization.

12499028973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930 (or 10924 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 12499028973 in words is "twelve billion, four hundred ninety-nine million, twenty-eight thousand, nine hundred seventy-three".

Divisors: 1 3 9 27 31 93 279 837 1609 4827 9281 14481 27843 43443 49879 83529 149637 250587 287711 448911 863133 1346733 2589399 7768197 14933129 44799387 134398161 403194483 462926999 1388780997 4166342991 12499028973