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12912713479 is a prime number
BaseRepresentation
bin11000000011010100…
…00101111100000111
31020022220112210212101
430001222011330013
5202421123312404
65533152132531
7634663152661
oct140152057407
936286483771
1012912713479
115526987836
122604537147
1312aa28cb83
148a6d27531
1550895e2a4
hex301a85f07

12912713479 has 2 divisors, whose sum is σ = 12912713480. Its totient is φ = 12912713478.

The previous prime is 12912713467. The next prime is 12912713503. The reversal of 12912713479 is 97431721921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12912713479 - 27 = 12912713351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12912713179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456356739 + 6456356740.

It is an arithmetic number, because the mean of its divisors is an integer number (6456356740).

Almost surely, 212912713479 is an apocalyptic number.

12912713479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12912713479 is an equidigital number, since it uses as much as digits as its factorization.

12912713479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The spelling of 12912713479 in words is "twelve billion, nine hundred twelve million, seven hundred thirteen thousand, four hundred seventy-nine".