Search a number
-
+
56534843579 is a prime number
BaseRepresentation
bin110100101001101111…
…010100000010111011
312101221000021121202112
4310221233110002323
51411240404443304
641545521522535
74040662145564
oct645157240273
9171830247675
1056534843579
1121a81499825
12ab594a344b
13543c8a0386
142a445a516b
15170d429b6e
hexd29bd40bb

56534843579 has 2 divisors, whose sum is σ = 56534843580. Its totient is φ = 56534843578.

The previous prime is 56534843569. The next prime is 56534843581. The reversal of 56534843579 is 97534843565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56534843579 is a prime.

Together with 56534843581, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56534843569) 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, 28267421789 + 28267421790.

It is an arithmetic number, because the mean of its divisors is an integer number (28267421790).

Almost surely, 256534843579 is an apocalyptic number.

56534843579 is a deficient number, since it is larger than the sum of its proper divisors (1).

56534843579 is an equidigital number, since it uses as much as digits as its factorization.

56534843579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432000, while the sum is 59.

The spelling of 56534843579 in words is "fifty-six billion, five hundred thirty-four million, eight hundred forty-three thousand, five hundred seventy-nine".