Search a number
-
+
108107801 is a prime number
BaseRepresentation
bin1100111000110…
…01100000011001
321112102110000122
412130121200121
5210133422201
614421043025
72451621044
oct634314031
9245373018
10108107801
1156029a9a
1230256475
1319522019
1410501c5b
159756e1b
hex6719819

108107801 has 2 divisors, whose sum is σ = 108107802. Its totient is φ = 108107800.

The previous prime is 108107789. The next prime is 108107803. The reversal of 108107801 is 108701801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83704201 + 24403600 = 9149^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 108107801 - 210 = 108106777 is a prime.

It is a Sophie Germain prime.

Together with 108107803, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (108107803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54053900 + 54053901.

It is an arithmetic number, because the mean of its divisors is an integer number (54053901).

Almost surely, 2108107801 is an apocalyptic number.

It is an amenable number.

108107801 is a deficient number, since it is larger than the sum of its proper divisors (1).

108107801 is an equidigital number, since it uses as much as digits as its factorization.

108107801 is an evil number, because the sum of its binary digits is even.

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

The square root of 108107801 is about 10397.4901298342. The cubic root of 108107801 is about 476.3787105130.

The spelling of 108107801 in words is "one hundred eight million, one hundred seven thousand, eight hundred one".