Search a number
-
+
13254157243 is a prime number
BaseRepresentation
bin11000101100000001…
…00110001110111011
31021012201000221122201
430112000212032323
5204121031012433
610031110331031
7646310322565
oct142600461673
937181027581
1013254157243
115691698568
12269a959a77
131332c3b6c2
148da408335
15528907a7d
hex3160263bb

13254157243 has 2 divisors, whose sum is σ = 13254157244. Its totient is φ = 13254157242.

The previous prime is 13254157183. The next prime is 13254157271. The reversal of 13254157243 is 34275145231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13254157243 - 29 = 13254156731 is a prime.

It is a super-2 number, since 2×132541572432 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13254157843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627078621 + 6627078622.

It is an arithmetic number, because the mean of its divisors is an integer number (6627078622).

Almost surely, 213254157243 is an apocalyptic number.

13254157243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13254157243 is an equidigital number, since it uses as much as digits as its factorization.

13254157243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The spelling of 13254157243 in words is "thirteen billion, two hundred fifty-four million, one hundred fifty-seven thousand, two hundred forty-three".