Search a number
-
+
118109013 = 31117210533
BaseRepresentation
bin1110000101000…
…11001101010101
322020020120002220
413002203031111
5220213442023
615415252553
72632624101
oct702431525
9266216086
10118109013
1160740060
123367a159
131b6142b9
1411986901
15a5803e3
hex70a3355

118109013 has 16 divisors (see below), whose sum is σ = 181901376. Its totient is φ = 67370240.

The previous prime is 118109011. The next prime is 118109053. The reversal of 118109013 is 310901811.

It is a cyclic number.

It is not a de Polignac number, because 118109013 - 21 = 118109011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118109011) 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 in 15 ways as a sum of consecutive naturals, for example, 104706 + ... + 105827.

It is an arithmetic number, because the mean of its divisors is an integer number (11368836).

Almost surely, 2118109013 is an apocalyptic number.

It is an amenable number.

118109013 is a deficient number, since it is larger than the sum of its proper divisors (63792363).

118109013 is a wasteful number, since it uses less digits than its factorization.

118109013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210564.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 118109013 is about 10867.7970628826. The cubic root of 118109013 is about 490.6378102758.

The spelling of 118109013 in words is "one hundred eighteen million, one hundred nine thousand, thirteen".

Divisors: 1 3 11 17 33 51 187 561 210533 631599 2315863 3579061 6947589 10737183 39369671 118109013