Search a number
-
+
52645311431 is a prime number
BaseRepresentation
bin110001000001111001…
…111011001111000111
312000212221102220201022
4301001321323033013
51330304144431211
640103535421355
73542412522656
oct610171731707
9160787386638
1052645311431
11203659a6749
12a25298485b
134c6cb18c6b
142795ba919d
151581c25bdb
hexc41e7b3c7

52645311431 has 2 divisors, whose sum is σ = 52645311432. Its totient is φ = 52645311430.

The previous prime is 52645311337. The next prime is 52645311437. The reversal of 52645311431 is 13411354625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52645311431 - 230 = 51571569607 is a prime.

It is a super-2 number, since 2×526453114312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52645311391 and 52645311400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52645311437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26322655715 + 26322655716.

It is an arithmetic number, because the mean of its divisors is an integer number (26322655716).

Almost surely, 252645311431 is an apocalyptic number.

52645311431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52645311431 is an equidigital number, since it uses as much as digits as its factorization.

52645311431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The spelling of 52645311431 in words is "fifty-two billion, six hundred forty-five million, three hundred eleven thousand, four hundred thirty-one".