Search a number
-
+
12656379023 = 27757779187
BaseRepresentation
bin10111100100110000…
…10000010010001111
31012200001012200002122
423302120100102033
5201410013112043
65451514043155
7625431306131
oct136230202217
935601180078
1012656379023
115405217982
1225527194bb
131269140192
14880c7d051
154e11c8368
hex2f261048f

12656379023 has 8 divisors (see below), whose sum is σ = 12724244592. Its totient is φ = 12588673536.

The previous prime is 12656379017. The next prime is 12656379053. The reversal of 12656379023 is 32097365621.

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 12656379023 - 24 = 12656379007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656379053) 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, 120236 + ... + 199422.

It is an arithmetic number, because the mean of its divisors is an integer number (1590530574).

Almost surely, 212656379023 is an apocalyptic number.

12656379023 is a deficient number, since it is larger than the sum of its proper divisors (67865569).

12656379023 is an equidigital number, since it uses as much as digits as its factorization.

12656379023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80041.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 12656379023 in words is "twelve billion, six hundred fifty-six million, three hundred seventy-nine thousand, twenty-three".

Divisors: 1 277 577 79187 159829 21934799 45690899 12656379023