Search a number
-
+
232431116245021 is a prime number
BaseRepresentation
bin110100110110010100010110…
…000111100101100000011101
31010110222012100010110001200201
4310312110112013211200131
5220431122411224320041
62142201214123023501
766646410511104451
oct6466242607454035
91113865303401621
10232431116245021
1168072534720a61
122209a85a66ab91
139c90210cb3815
144157a243d8661
151bd110035c631
hexd365161e581d

232431116245021 has 2 divisors, whose sum is σ = 232431116245022. Its totient is φ = 232431116245020.

The previous prime is 232431116245001. The next prime is 232431116245087. The reversal of 232431116245021 is 120542611134232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232430453748900 + 662496121 = 15245670^2 + 25739^2 .

It is a cyclic number.

It is not a de Polignac number, because 232431116245021 - 213 = 232431116236829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232431116245001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116215558122510 + 116215558122511.

It is an arithmetic number, because the mean of its divisors is an integer number (116215558122511).

Almost surely, 2232431116245021 is an apocalyptic number.

It is an amenable number.

232431116245021 is a deficient number, since it is larger than the sum of its proper divisors (1).

232431116245021 is an equidigital number, since it uses as much as digits as its factorization.

232431116245021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 232431116245021 its reverse (120542611134232), we get a palindrome (352973727379253).

The spelling of 232431116245021 in words is "two hundred thirty-two trillion, four hundred thirty-one billion, one hundred sixteen million, two hundred forty-five thousand, twenty-one".