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12931193 = 111936091
BaseRepresentation
bin110001010101…
…000001111001
3220022222021002
4301111001321
511302244233
61141054345
7214625162
oct61250171
926288232
1012931193
117332440
1243b73b5
1328a9ac2
141a08769
1512066e8
hexc55079

12931193 has 8 divisors (see below), whose sum is σ = 14182176. Its totient is φ = 11692800.

The previous prime is 12931181. The next prime is 12931199. The reversal of 12931193 is 39113921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12931193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12931199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (1772772).

Almost surely, 212931193 is an apocalyptic number.

It is an amenable number.

12931193 is a deficient number, since it is larger than the sum of its proper divisors (1250983).

12931193 is a wasteful number, since it uses less digits than its factorization.

12931193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295.

The product of its digits is 1458, while the sum is 29.

The square root of 12931193 is about 3595.9968020008. The cubic root of 12931193 is about 234.7178929558.

The spelling of 12931193 in words is "twelve million, nine hundred thirty-one thousand, one hundred ninety-three".

Divisors: 1 11 193 2123 6091 67001 1175563 12931193