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108108107 = 409264323
BaseRepresentation
bin1100111000110…
…01100101001011
321112102110102222
412130121211023
5210133424412
614421044255
72451621662
oct634314513
9245373388
10108108107
115602a248
123025668b
13195221c3
1410501dd9
159757072
hex671994b

108108107 has 4 divisors (see below), whose sum is σ = 108372840. Its totient is φ = 107843376.

The previous prime is 108108097. The next prime is 108108113. The reversal of 108108107 is 701801801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701801801 = 1291543611.

It is a cyclic number.

It is not a de Polignac number, because 108108107 - 212 = 108104011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108108167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131753 + ... + 132570.

It is an arithmetic number, because the mean of its divisors is an integer number (27093210).

Almost surely, 2108108107 is an apocalyptic number.

108108107 is a deficient number, since it is larger than the sum of its proper divisors (264733).

108108107 is an equidigital number, since it uses as much as digits as its factorization.

108108107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264732.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 108108107 is about 10397.5048449135. The cubic root of 108108107 is about 476.3791599771.

Adding to 108108107 its reverse (701801801), we get a palindrome (809909908).

The spelling of 108108107 in words is "one hundred eight million, one hundred eight thousand, one hundred seven".

Divisors: 1 409 264323 108108107