Search a number
-
+
13533254191 is a prime number
BaseRepresentation
bin11001001101010010…
…10001001000101111
31021221011012112200201
430212221101020233
5210204003113231
610114520334331
7656236522402
oct144651211057
937834175621
1013533254191
1158151951a6
1227583143a7
1313789cb022
149254d9d39
15543188161
hex326a5122f

13533254191 has 2 divisors, whose sum is σ = 13533254192. Its totient is φ = 13533254190.

The previous prime is 13533254183. The next prime is 13533254221. The reversal of 13533254191 is 19145233531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13533254191 - 23 = 13533254183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13533254191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13533264191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766627095 + 6766627096.

It is an arithmetic number, because the mean of its divisors is an integer number (6766627096).

Almost surely, 213533254191 is an apocalyptic number.

13533254191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13533254191 is an equidigital number, since it uses as much as digits as its factorization.

13533254191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The spelling of 13533254191 in words is "thirteen billion, five hundred thirty-three million, two hundred fifty-four thousand, one hundred ninety-one".