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117363979 = 520922531
BaseRepresentation
bin1101111111011…
…01010100001011
322011211201010001
412333231110023
5220021121404
615351303431
72623402015
oct677552413
9264751101
10117363979
1160281327
123337ab77
131b413155
14118311b5
15a4847a4
hex6fed50b

117363979 has 4 divisors (see below), whose sum is σ = 117391720. Its totient is φ = 117336240.

The previous prime is 117363977. The next prime is 117363989. The reversal of 117363979 is 979363711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979363711 = 7912397009.

It is a cyclic number.

It is not a de Polignac number, because 117363979 - 21 = 117363977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117363973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6057 + ... + 16474.

It is an arithmetic number, because the mean of its divisors is an integer number (29347930).

Almost surely, 2117363979 is an apocalyptic number.

117363979 is a deficient number, since it is larger than the sum of its proper divisors (27741).

117363979 is an equidigital number, since it uses as much as digits as its factorization.

117363979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740.

The product of its digits is 214326, while the sum is 46.

The square root of 117363979 is about 10833.4656966273. The cubic root of 117363979 is about 489.6039823991.

The spelling of 117363979 in words is "one hundred seventeen million, three hundred sixty-three thousand, nine hundred seventy-nine".

Divisors: 1 5209 22531 117363979