Search a number
-
+
255262657671239 is a prime number
BaseRepresentation
bin111010000010100011111000…
…000010001111000001000111
31020110210212112111122121221012
4322002203320002033001013
5231424210410330434424
62302522013540512435
7104524055422131341
oct7202437002170107
91213725474577835
10255262657671239
1174375315631969
12247677436ab71b
13ac5821c30839a
144706ac84c0291
151e79e7a5bab0e
hexe828f808f047

255262657671239 has 2 divisors, whose sum is σ = 255262657671240. Its totient is φ = 255262657671238.

The previous prime is 255262657671211. The next prime is 255262657671331. The reversal of 255262657671239 is 932176756262552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255262657671239 - 220 = 255262656622663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255262657671209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127631328835619 + 127631328835620.

It is an arithmetic number, because the mean of its divisors is an integer number (127631328835620).

Almost surely, 2255262657671239 is an apocalyptic number.

255262657671239 is a deficient number, since it is larger than the sum of its proper divisors (1).

255262657671239 is an equidigital number, since it uses as much as digits as its factorization.

255262657671239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536000, while the sum is 68.

The spelling of 255262657671239 in words is "two hundred fifty-five trillion, two hundred sixty-two billion, six hundred fifty-seven million, six hundred seventy-one thousand, two hundred thirty-nine".