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118745113 = 235162831
BaseRepresentation
bin1110001001111…
…10100000011001
322021102212200011
413010332200121
5220344320423
615441041521
72641213444
oct704764031
9267385604
10118745113
1161034a63
12339262a1
131b7a79a6
1411ab065b
15a658b0d
hex713e819

118745113 has 4 divisors (see below), whose sum is σ = 123907968. Its totient is φ = 113582260.

The previous prime is 118745093. The next prime is 118745129. The reversal of 118745113 is 311547811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311547811 = 2313545557.

It is a cyclic number.

It is not a de Polignac number, because 118745113 - 225 = 85190681 is a prime.

It is a super-2 number, since 2×1187451132 = 28200803722765538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118745513) 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 3 ways as a sum of consecutive naturals, for example, 2581393 + ... + 2581438.

It is an arithmetic number, because the mean of its divisors is an integer number (30976992).

Almost surely, 2118745113 is an apocalyptic number.

It is an amenable number.

118745113 is a deficient number, since it is larger than the sum of its proper divisors (5162855).

118745113 is an equidigital number, since it uses as much as digits as its factorization.

118745113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162854.

The product of its digits is 3360, while the sum is 31.

The square root of 118745113 is about 10897.0231256064. The cubic root of 118745113 is about 491.5170434817.

The spelling of 118745113 in words is "one hundred eighteen million, seven hundred forty-five thousand, one hundred thirteen".

Divisors: 1 23 5162831 118745113