Search a number
-
+
12433436831 is a prime number
BaseRepresentation
bin10111001010001011…
…10011000010011111
31012002111201000220102
423211011303002133
5200430424434311
65413431411315
7620053316654
oct134505630237
935074630812
1012433436831
115300395132
1224abb23b3b
131231bb251a
1485d407c2b
154cb83b43b
hex2e517309f

12433436831 has 2 divisors, whose sum is σ = 12433436832. Its totient is φ = 12433436830.

The previous prime is 12433436819. The next prime is 12433436861. The reversal of 12433436831 is 13863433421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12433436831 - 230 = 11359695007 is a prime.

It is a super-2 number, since 2×124334368312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12433436861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216718415 + 6216718416.

It is an arithmetic number, because the mean of its divisors is an integer number (6216718416).

Almost surely, 212433436831 is an apocalyptic number.

12433436831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12433436831 is an equidigital number, since it uses as much as digits as its factorization.

12433436831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The spelling of 12433436831 in words is "twelve billion, four hundred thirty-three million, four hundred thirty-six thousand, eight hundred thirty-one".