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12757113079 = 29716195781
BaseRepresentation
bin10111110000110001…
…00001100011110111
31012221001202111020121
423320120201203313
5202111310104304
65505513112411
7631063446334
oct137030414367
935831674217
1012757113079
11545706a967
1225803b8707
131283c7cb29
148903c198b
154e9e75554
hex2f86218f7

12757113079 has 8 divisors (see below), whose sum is σ = 13382889120. Its totient is φ = 12143728800.

The previous prime is 12757113053. The next prime is 12757113113. The reversal of 12757113079 is 97031175721.

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

It is a cyclic number.

It is not a de Polignac number, because 12757113079 - 215 = 12757080311 is a prime.

It is a super-2 number, since 2×127571130792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757113049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3095832 + ... + 3099949.

It is an arithmetic number, because the mean of its divisors is an integer number (1672861140).

Almost surely, 212757113079 is an apocalyptic number.

12757113079 is a deficient number, since it is larger than the sum of its proper divisors (625776041).

12757113079 is an equidigital number, since it uses as much as digits as its factorization.

12757113079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195881.

The product of its (nonzero) digits is 92610, while the sum is 43.

The spelling of 12757113079 in words is "twelve billion, seven hundred fifty-seven million, one hundred thirteen thousand, seventy-nine".

Divisors: 1 29 71 2059 6195781 179677649 439900451 12757113079