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12317166377 is a prime number
BaseRepresentation
bin10110111100010100…
…10000101100101001
31011210101220212211022
423132022100230221
5200211143311002
65354115342225
7614142121025
oct133612205451
934711825738
1012317166377
1152507a044a
122478bb1975
131213a93039
1484bbbd385
154c1520ba2
hex2de290b29

12317166377 has 2 divisors, whose sum is σ = 12317166378. Its totient is φ = 12317166376.

The previous prime is 12317166353. The next prime is 12317166397. The reversal of 12317166377 is 77366171321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8040529561 + 4276636816 = 89669^2 + 65396^2 .

It is a cyclic number.

It is not a de Polignac number, because 12317166377 - 214 = 12317149993 is a prime.

It is a super-2 number, since 2×123171663772 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12317166307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158583188 + 6158583189.

It is an arithmetic number, because the mean of its divisors is an integer number (6158583189).

Almost surely, 212317166377 is an apocalyptic number.

It is an amenable number.

12317166377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317166377 is an equidigital number, since it uses as much as digits as its factorization.

12317166377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 44.

The spelling of 12317166377 in words is "twelve billion, three hundred seventeen million, one hundred sixty-six thousand, three hundred seventy-seven".