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12433078979 = 17731357587
BaseRepresentation
bin10111001010001000…
…11011101011000011
31012002111000212000122
423211010123223003
5200430332011404
65413420010455
7620050266446
oct134504335303
935074025018
1012433078979
115300170292
1224ab990a2b
131231ab8689
1485d35365d
154cb7ba3be
hex2e511bac3

12433078979 has 4 divisors (see below), whose sum is σ = 13164436584. Its totient is φ = 11701721376.

The previous prime is 12433078943. The next prime is 12433078993. The reversal of 12433078979 is 97987033421.

12433078979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97987033421 = 184669530609.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12433078979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12433078979.

It is not an unprimeable number, because it can be changed into a prime (12433078919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365678777 + ... + 365678810.

It is an arithmetic number, because the mean of its divisors is an integer number (3291109146).

Almost surely, 212433078979 is an apocalyptic number.

12433078979 is a deficient number, since it is larger than the sum of its proper divisors (731357605).

12433078979 is an equidigital number, since it uses as much as digits as its factorization.

12433078979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731357604.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 12433078979 in words is "twelve billion, four hundred thirty-three million, seventy-eight thousand, nine hundred seventy-nine".

Divisors: 1 17 731357587 12433078979