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13031068 = 225236229
BaseRepresentation
bin110001101101…
…011010011100
3220112001021011
4301231122130
511313443233
61143145004
7215522311
oct61553234
926461234
1013031068
1173a0486
124445164
1329133bb
141a32d08
1512260cd
hexc6d69c

13031068 has 12 divisors (see below), whose sum is σ = 22851640. Its totient is φ = 6502032.

The previous prime is 13031033. The next prime is 13031099. The reversal of 13031068 is 86013031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023 + ... + 5206.

Almost surely, 213031068 is an apocalyptic number.

It is an amenable number.

13031068 is a deficient number, since it is larger than the sum of its proper divisors (9820572).

13031068 is a wasteful number, since it uses less digits than its factorization.

13031068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13031068 is about 3609.8570608821. The cubic root of 13031068 is about 235.3206306938.

Adding to 13031068 its reverse (86013031), we get a palindrome (99044099).

The spelling of 13031068 in words is "thirteen million, thirty-one thousand, sixty-eight".

Divisors: 1 2 4 523 1046 2092 6229 12458 24916 3257767 6515534 13031068