Search a number
-
+
12311680571 is a prime number
BaseRepresentation
bin10110111011101010…
…10101011000111011
31011210000121011201022
423131311111120323
5200203242234241
65353402013055
7614044362311
oct133565253073
934700534638
1012311680571
115248693923
1224771a718b
1312128c20b8
1484b1920b1
154c0cda54b
hex2ddd5563b

12311680571 has 2 divisors, whose sum is σ = 12311680572. Its totient is φ = 12311680570.

The previous prime is 12311680559. The next prime is 12311680639. The reversal of 12311680571 is 17508611321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12311680571 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311680471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155840285 + 6155840286.

It is an arithmetic number, because the mean of its divisors is an integer number (6155840286).

Almost surely, 212311680571 is an apocalyptic number.

12311680571 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311680571 is an equidigital number, since it uses as much as digits as its factorization.

12311680571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 12311680571 in words is "twelve billion, three hundred eleven million, six hundred eighty thousand, five hundred seventy-one".