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12425514109 is a prime number
BaseRepresentation
bin10111001001001111…
…00100110001111101
31012001221210111222021
423210213210301331
5200421412422414
65412545520141
7616626061441
oct134447446175
935057714867
1012425514109
1152a6973728
1224a9343051
13123036a318
1485c344821
154cacc3c24
hex2e49e4c7d

12425514109 has 2 divisors, whose sum is σ = 12425514110. Its totient is φ = 12425514108.

The previous prime is 12425514103. The next prime is 12425514169. The reversal of 12425514109 is 90141552421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12208040100 + 217474009 = 110490^2 + 14747^2 .

It is an emirp because it is prime and its reverse (90141552421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12425514109 - 27 = 12425513981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12425514103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212757054 + 6212757055.

It is an arithmetic number, because the mean of its divisors is an integer number (6212757055).

Almost surely, 212425514109 is an apocalyptic number.

It is an amenable number.

12425514109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425514109 is an equidigital number, since it uses as much as digits as its factorization.

12425514109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 12425514109 in words is "twelve billion, four hundred twenty-five million, five hundred fourteen thousand, one hundred nine".