Search a number
-
+
12555052589 is a prime number
BaseRepresentation
bin10111011000101011…
…01110011000101101
31012101222112202100202
423230111232120231
5201203043140324
65433454203245
7623061120602
oct135425563055
935358482322
1012555052589
115362aaa922
1225247b3525
131251153a01
148716246a9
154d73608ae
hex2ec56e62d

12555052589 has 2 divisors, whose sum is σ = 12555052590. Its totient is φ = 12555052588.

The previous prime is 12555052567. The next prime is 12555052597. The reversal of 12555052589 is 98525055521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12532802500 + 22250089 = 111950^2 + 4717^2 .

It is a cyclic number.

It is not a de Polignac number, because 12555052589 - 232 = 8260085293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12555051589) 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, 6277526294 + 6277526295.

It is an arithmetic number, because the mean of its divisors is an integer number (6277526295).

Almost surely, 212555052589 is an apocalyptic number.

It is an amenable number.

12555052589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12555052589 is an equidigital number, since it uses as much as digits as its factorization.

12555052589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 47.

The spelling of 12555052589 in words is "twelve billion, five hundred fifty-five million, fifty-two thousand, five hundred eighty-nine".