Search a number
-
+
12838197233 is a prime number
BaseRepresentation
bin10111111010011011…
…10101011111110001
31020010201022222210102
423331031311133301
5202243034302413
65521531042145
7633066606311
oct137515653761
936121288712
1012838197233
115498911664
1225a35a0355
1312979cc814
1489b08b441
15502140458
hex2fd3757f1

12838197233 has 2 divisors, whose sum is σ = 12838197234. Its totient is φ = 12838197232.

The previous prime is 12838197227. The next prime is 12838197257. The reversal of 12838197233 is 33279183821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8819651569 + 4018545664 = 93913^2 + 63392^2 .

It is a cyclic number.

It is not a de Polignac number, because 12838197233 - 228 = 12569761777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12838197263) 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, 6419098616 + 6419098617.

It is an arithmetic number, because the mean of its divisors is an integer number (6419098617).

Almost surely, 212838197233 is an apocalyptic number.

It is an amenable number.

12838197233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12838197233 is an equidigital number, since it uses as much as digits as its factorization.

12838197233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The spelling of 12838197233 in words is "twelve billion, eight hundred thirty-eight million, one hundred ninety-seven thousand, two hundred thirty-three".