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108115013 is a prime number
BaseRepresentation
bin1100111000110…
…11010001000101
321112102210220202
412130123101011
5210134140023
614421140245
72451651056
oct634332105
9245383822
10108115013
1156034456
123025a685
13195253a6
141050472d
159759128
hex671b445

108115013 has 2 divisors, whose sum is σ = 108115014. Its totient is φ = 108115012.

The previous prime is 108115009. The next prime is 108115043. The reversal of 108115013 is 310511801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77123524 + 30991489 = 8782^2 + 5567^2 .

It is an emirp because it is prime and its reverse (310511801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108115013 - 22 = 108115009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108115003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54057506 + 54057507.

It is an arithmetic number, because the mean of its divisors is an integer number (54057507).

Almost surely, 2108115013 is an apocalyptic number.

It is an amenable number.

108115013 is a deficient number, since it is larger than the sum of its proper divisors (1).

108115013 is an equidigital number, since it uses as much as digits as its factorization.

108115013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 108115013 is about 10397.8369385175. The cubic root of 108115013 is about 476.3893035409.

Adding to 108115013 its reverse (310511801), we get a palindrome (418626814).

The spelling of 108115013 in words is "one hundred eight million, one hundred fifteen thousand, thirteen".