Search a number
-
+
12824788231 is a prime number
BaseRepresentation
bin10111111000110101…
…01011110100000111
31020002210002202002201
423330122223310013
5202231121210411
65520331415331
7632544621103
oct137432536407
936083082081
1012824788231
115491293242
12259abb4547
131294cb63b8
1489939a903
15500d923c1
hex2fc6abd07

12824788231 has 2 divisors, whose sum is σ = 12824788232. Its totient is φ = 12824788230.

The previous prime is 12824788211. The next prime is 12824788307. The reversal of 12824788231 is 13288742821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12824788231 - 27 = 12824788103 is a prime.

It is a super-2 number, since 2×128247882312 (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 (12824788211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6412394115 + 6412394116.

It is an arithmetic number, because the mean of its divisors is an integer number (6412394116).

Almost surely, 212824788231 is an apocalyptic number.

12824788231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12824788231 is an equidigital number, since it uses as much as digits as its factorization.

12824788231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 46.

The spelling of 12824788231 in words is "twelve billion, eight hundred twenty-four million, seven hundred eighty-eight thousand, two hundred thirty-one".