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12677891254 = 2731191152941
BaseRepresentation
bin10111100111010100…
…10100010010110110
31012201112200121022221
423303222110102312
5201431020010004
65454003112554
7626112204040
oct136352242266
935645617287
1012677891254
115416380386
12255997275a
131270732a02
14883a7ca90
154e3027354
hex2f3a944b6

12677891254 has 32 divisors (see below), whose sum is σ = 22552215552. Its totient is φ = 5230548000.

The previous prime is 12677891231. The next prime is 12677891257. The reversal of 12677891254 is 45219877621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677891257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 159364.

It is an arithmetic number, because the mean of its divisors is an integer number (704756736).

Almost surely, 212677891254 is an apocalyptic number.

12677891254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12677891254 is a deficient number, since it is larger than the sum of its proper divisors (9874324298).

12677891254 is a wasteful number, since it uses less digits than its factorization.

12677891254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153172.

The product of its digits is 1693440, while the sum is 52.

The spelling of 12677891254 in words is "twelve billion, six hundred seventy-seven million, eight hundred ninety-one thousand, two hundred fifty-four".

Divisors: 1 2 7 14 31 62 191 217 382 434 1337 2674 5921 11842 41447 82894 152941 305882 1070587 2141174 4741171 9482342 29211731 33188197 58423462 66376394 204482117 408964234 905563661 1811127322 6338945627 12677891254