Search a number
-
+
12513029579 is a prime number
BaseRepresentation
bin10111010011101010…
…11010110111001011
31012022001110202121222
423221311122313023
5201111313421304
65425353352255
7622040665541
oct135165326713
935261422558
1012513029579
115341308366
12251270868b
13124552c41b
14869c05d91
154d380e4be
hex2e9d5adcb

12513029579 has 2 divisors, whose sum is σ = 12513029580. Its totient is φ = 12513029578.

The previous prime is 12513029531. The next prime is 12513029609. The reversal of 12513029579 is 97592031521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12513029579 - 28 = 12513029323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12513025579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256514789 + 6256514790.

It is an arithmetic number, because the mean of its divisors is an integer number (6256514790).

Almost surely, 212513029579 is an apocalyptic number.

12513029579 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513029579 is an equidigital number, since it uses as much as digits as its factorization.

12513029579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 12513029579 in words is "twelve billion, five hundred thirteen million, twenty-nine thousand, five hundred seventy-nine".