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108631286669 is a prime number
BaseRepresentation
bin110010100101011101…
…1011110001110001101
3101101101200221010122202
41211022323132032031
53234434102133134
6121523213251245
710563661462403
oct1451273361615
9341350833582
10108631286669
1142085590574
1219078493b25
13a322a83c69
1453874d7473
152c5bd82d7e
hex194aede38d

108631286669 has 2 divisors, whose sum is σ = 108631286670. Its totient is φ = 108631286668.

The previous prime is 108631286651. The next prime is 108631286719. The reversal of 108631286669 is 966682136801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104865868900 + 3765417769 = 323830^2 + 61363^2 .

It is a cyclic number.

It is not a de Polignac number, because 108631286669 - 224 = 108614509453 is a prime.

It is a super-2 number, since 2×1086312866692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108631288669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54315643334 + 54315643335.

It is an arithmetic number, because the mean of its divisors is an integer number (54315643335).

Almost surely, 2108631286669 is an apocalyptic number.

It is an amenable number.

108631286669 is a deficient number, since it is larger than the sum of its proper divisors (1).

108631286669 is an equidigital number, since it uses as much as digits as its factorization.

108631286669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 108631286669 in words is "one hundred eight billion, six hundred thirty-one million, two hundred eighty-six thousand, six hundred sixty-nine".