Search a number
-
+
13388535023 is a prime number
BaseRepresentation
bin11000111100000010…
…01101010011101111
31021120001220001022112
430132001031103233
5204404431110043
610052310434235
7652531445543
oct143601152357
937501801275
1013388535023
11575052a586
12271796297b
131354a2a996
149101c7a23
155355ed518
hex31e04d4ef

13388535023 has 2 divisors, whose sum is σ = 13388535024. Its totient is φ = 13388535022.

The previous prime is 13388534993. The next prime is 13388535049. The reversal of 13388535023 is 32053588331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13388535023 - 220 = 13387486447 is a prime.

It is a super-2 number, since 2×133885350232 (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 (13388535323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694267511 + 6694267512.

It is an arithmetic number, because the mean of its divisors is an integer number (6694267512).

Almost surely, 213388535023 is an apocalyptic number.

13388535023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13388535023 is an equidigital number, since it uses as much as digits as its factorization.

13388535023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 13388535023 in words is "thirteen billion, three hundred eighty-eight million, five hundred thirty-five thousand, twenty-three".