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12591002923 is a prime number
BaseRepresentation
bin10111011100111101…
…10111010100101011
31012111111012012221121
423232132313110223
5201241244043143
65441220520111
7624005521222
oct135636672453
935444165847
1012591002923
115381324944
122534850037
1312587301b5
14876301cb9
154da5b27ed
hex2ee7b752b

12591002923 has 2 divisors, whose sum is σ = 12591002924. Its totient is φ = 12591002922.

The previous prime is 12591002881. The next prime is 12591002933. The reversal of 12591002923 is 32920019521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12591002923 - 217 = 12590871851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12591002933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6295501461 + 6295501462.

It is an arithmetic number, because the mean of its divisors is an integer number (6295501462).

Almost surely, 212591002923 is an apocalyptic number.

12591002923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12591002923 is an equidigital number, since it uses as much as digits as its factorization.

12591002923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 12591002923 in words is "twelve billion, five hundred ninety-one million, two thousand, nine hundred twenty-three".