Search a number
-
+
13831924297 is a prime number
BaseRepresentation
bin11001110000111001…
…00110101001001001
31022200222012120001111
430320130212221021
5211311433034142
610204310050321
7666524262622
oct147034465111
938628176044
1013831924297
1159588404a4
1228203499a1
1313c58516b9
14953044a49
1555e4d2e17
hex338726a49

13831924297 has 2 divisors, whose sum is σ = 13831924298. Its totient is φ = 13831924296.

The previous prime is 13831924261. The next prime is 13831924313. The reversal of 13831924297 is 79242913831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9999200016 + 3832724281 = 99996^2 + 61909^2 .

It is an emirp because it is prime and its reverse (79242913831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13831924297 - 211 = 13831922249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13831924297.

It is not a weakly prime, because it can be changed into another prime (13831924237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915962148 + 6915962149.

It is an arithmetic number, because the mean of its divisors is an integer number (6915962149).

Almost surely, 213831924297 is an apocalyptic number.

It is an amenable number.

13831924297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13831924297 is an equidigital number, since it uses as much as digits as its factorization.

13831924297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 13831924297 in words is "thirteen billion, eight hundred thirty-one million, nine hundred twenty-four thousand, two hundred ninety-seven".