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12080867389 is a prime number
BaseRepresentation
bin10110100000001001…
…10110100000111101
31011011221021122112221
423100010312200331
5144220200224024
65314434525341
7605242451503
oct132004664075
934157248487
1012080867389
11513a375528
122411a36851
1311a6b39956
1482866c673
154aa8e63e4
hex2d013683d

12080867389 has 2 divisors, whose sum is σ = 12080867390. Its totient is φ = 12080867388.

The previous prime is 12080867371. The next prime is 12080867399. The reversal of 12080867389 is 98376808021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9512100900 + 2568766489 = 97530^2 + 50683^2 .

It is an emirp because it is prime and its reverse (98376808021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12080867389 - 29 = 12080866877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12080867399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040433694 + 6040433695.

It is an arithmetic number, because the mean of its divisors is an integer number (6040433695).

Almost surely, 212080867389 is an apocalyptic number.

It is an amenable number.

12080867389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12080867389 is an equidigital number, since it uses as much as digits as its factorization.

12080867389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 12080867389 in words is "twelve billion, eighty million, eight hundred sixty-seven thousand, three hundred eighty-nine".