Search a number
-
+
13366768837 is a prime number
BaseRepresentation
bin11000111001011100…
…01011010011000101
31021111112221012201111
430130232023103011
5204333343100322
610050212125021
7652145442352
oct143456132305
937445835644
1013366768837
11573a2132a4
122710606771
131350379696
1490b35d629
1553374e177
hex31cb8b4c5

13366768837 has 2 divisors, whose sum is σ = 13366768838. Its totient is φ = 13366768836.

The previous prime is 13366768819. The next prime is 13366768841. The reversal of 13366768837 is 73886766331.

It is a happy number.

13366768837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11795914881 + 1570853956 = 108609^2 + 39634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13366768837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13366768847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6683384418 + 6683384419.

It is an arithmetic number, because the mean of its divisors is an integer number (6683384419).

Almost surely, 213366768837 is an apocalyptic number.

It is an amenable number.

13366768837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13366768837 is an equidigital number, since it uses as much as digits as its factorization.

13366768837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 58.

The spelling of 13366768837 in words is "thirteen billion, three hundred sixty-six million, seven hundred sixty-eight thousand, eight hundred thirty-seven".