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12912709163 is a prime number
BaseRepresentation
bin11000000011010100…
…00100111000101011
31020022220112120221112
430001222010320223
5202421123143123
65533152100535
7634663134254
oct140152047053
936286476845
1012912709163
115526984572
12260453474b
1312aa28ac13
148a6d25b2b
1550895cd78
hex301a84e2b

12912709163 has 2 divisors, whose sum is σ = 12912709164. Its totient is φ = 12912709162.

The previous prime is 12912709133. The next prime is 12912709211. The reversal of 12912709163 is 36190721921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12912709163 - 212 = 12912705067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12912709163.

It is not a weakly prime, because it can be changed into another prime (12912709133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456354581 + 6456354582.

It is an arithmetic number, because the mean of its divisors is an integer number (6456354582).

Almost surely, 212912709163 is an apocalyptic number.

12912709163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12912709163 is an equidigital number, since it uses as much as digits as its factorization.

12912709163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 12912709163 in words is "twelve billion, nine hundred twelve million, seven hundred nine thousand, one hundred sixty-three".