Search a number
-
+
12312513371 is a prime number
BaseRepresentation
bin10110111011110001…
…00000101101011011
31011210002011111002202
423131320200231123
5200204000411441
65353431520415
7614054431304
oct133570405533
934702144082
1012312513371
115249102594
12247752910b
131212b24192
1484b32b7ab
154c0e0219b
hex2dde20b5b

12312513371 has 2 divisors, whose sum is σ = 12312513372. Its totient is φ = 12312513370.

The previous prime is 12312513331. The next prime is 12312513377. The reversal of 12312513371 is 17331521321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312513371 - 218 = 12312251227 is a prime.

It is a super-2 number, since 2×123125133712 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12312513377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156256685 + 6156256686.

It is an arithmetic number, because the mean of its divisors is an integer number (6156256686).

Almost surely, 212312513371 is an apocalyptic number.

12312513371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312513371 is an equidigital number, since it uses as much as digits as its factorization.

12312513371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The spelling of 12312513371 in words is "twelve billion, three hundred twelve million, five hundred thirteen thousand, three hundred seventy-one".