Search a number
-
+
14457157181 is a prime number
BaseRepresentation
bin11010111011011011…
…01011011000111101
31101022112200200022222
431131231223120331
5214102013012211
610350323015125
71021155544205
oct153555533075
941275620288
1014457157181
116149763195
12297580a4a5
13149524349c
149b20b9405
155993371db
hex35db6b63d

14457157181 has 2 divisors, whose sum is σ = 14457157182. Its totient is φ = 14457157180.

The previous prime is 14457157103. The next prime is 14457157189. The reversal of 14457157181 is 18175175441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10309153156 + 4148004025 = 101534^2 + 64405^2 .

It is a cyclic number.

It is not a de Polignac number, because 14457157181 - 210 = 14457156157 is a prime.

It is a super-2 number, since 2×144571571812 (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 (14457157189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7228578590 + 7228578591.

It is an arithmetic number, because the mean of its divisors is an integer number (7228578591).

Almost surely, 214457157181 is an apocalyptic number.

It is an amenable number.

14457157181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14457157181 is an equidigital number, since it uses as much as digits as its factorization.

14457157181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 44.

The spelling of 14457157181 in words is "fourteen billion, four hundred fifty-seven million, one hundred fifty-seven thousand, one hundred eighty-one".