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12372490177 is a prime number
BaseRepresentation
bin10111000010111010…
…10011011111000001
31011221021000121210221
423201131103133001
5200314324141202
65403413223041
7615413300635
oct134135233701
934837017727
1012372490177
115279a47aa3
122493631a81
131222393708
148552a0dc5
154c62ed037
hex2e17537c1

12372490177 has 2 divisors, whose sum is σ = 12372490178. Its totient is φ = 12372490176.

The previous prime is 12372490159. The next prime is 12372490181. The reversal of 12372490177 is 77109427321.

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., 7520531841 + 4851958336 = 86721^2 + 69656^2 .

It is a cyclic number.

It is not a de Polignac number, because 12372490177 - 211 = 12372488129 is a prime.

It is a super-2 number, since 2×123724901772 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12372430177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186245088 + 6186245089.

It is an arithmetic number, because the mean of its divisors is an integer number (6186245089).

Almost surely, 212372490177 is an apocalyptic number.

It is an amenable number.

12372490177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372490177 is an equidigital number, since it uses as much as digits as its factorization.

12372490177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 12372490177 in words is "twelve billion, three hundred seventy-two million, four hundred ninety thousand, one hundred seventy-seven".