Search a number
-
+
118315013 = 235639137
BaseRepresentation
bin1110000110101…
…01100000000101
322020122000200112
413003111200011
5220242040023
615423522405
72634442505
oct703254005
9266560615
10118315013
1160870903
1233759405
131b686cab
14119dba05
15a5c1478
hex70d5805

118315013 has 8 divisors (see below), whose sum is σ = 123691968. Its totient is φ = 112957504.

The previous prime is 118315007. The next prime is 118315069. The reversal of 118315013 is 310513811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118315013 - 24 = 118314997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118315013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118315073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8381 + ... + 17517.

It is an arithmetic number, because the mean of its divisors is an integer number (15461496).

Almost surely, 2118315013 is an apocalyptic number.

It is an amenable number.

118315013 is a deficient number, since it is larger than the sum of its proper divisors (5376955).

118315013 is an equidigital number, since it uses as much as digits as its factorization.

118315013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9723.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 118315013 is about 10877.2704756294. The cubic root of 118315013 is about 490.9228934713.

Adding to 118315013 its reverse (310513811), we get a palindrome (428828824).

The spelling of 118315013 in words is "one hundred eighteen million, three hundred fifteen thousand, thirteen".

Divisors: 1 23 563 9137 12949 210151 5144131 118315013