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12425514169 is a prime number
BaseRepresentation
bin10111001001001111…
…00100110010111001
31012001221210112001111
423210213210302321
5200421412423134
65412545520321
7616626061555
oct134447446271
935057715044
1012425514169
1152a6973782
1224a93430a1
13123036a363
1485c344865
154cacc3c64
hex2e49e4cb9

12425514169 has 2 divisors, whose sum is σ = 12425514170. Its totient is φ = 12425514168.

The previous prime is 12425514109. The next prime is 12425514197. The reversal of 12425514169 is 96141552421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11916560569 + 508953600 = 109163^2 + 22560^2 .

It is a cyclic number.

It is not a de Polignac number, because 12425514169 - 229 = 11888643257 is a prime.

It is a super-2 number, since 2×124255141692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12425514109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212757084 + 6212757085.

It is an arithmetic number, because the mean of its divisors is an integer number (6212757085).

Almost surely, 212425514169 is an apocalyptic number.

It is an amenable number.

12425514169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425514169 is an equidigital number, since it uses as much as digits as its factorization.

12425514169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The spelling of 12425514169 in words is "twelve billion, four hundred twenty-five million, five hundred fourteen thousand, one hundred sixty-nine".