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117308159 = 296939511
BaseRepresentation
bin1101111110111…
…11101011111111
322011201212112122
412333133223333
5220012330114
615350153155
72623050203
oct677375377
9264655478
10117308159
11602433a1
12333527bb
131b3c3917
1411818b03
15a472e8e
hex6fdfaff

117308159 has 4 divisors (see below), whose sum is σ = 117350640. Its totient is φ = 117265680.

The previous prime is 117308137. The next prime is 117308173. The reversal of 117308159 is 951803711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951803711 = 7313038407.

It is a cyclic number.

It is not a de Polignac number, because 117308159 - 224 = 100530943 is a prime.

It is a super-2 number, since 2×1173081592 = 27522408335938562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117308179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16787 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (29337660).

Almost surely, 2117308159 is an apocalyptic number.

117308159 is a deficient number, since it is larger than the sum of its proper divisors (42481).

117308159 is an equidigital number, since it uses as much as digits as its factorization.

117308159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42480.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 117308159 is about 10830.8891140109. The cubic root of 117308159 is about 489.5263491864.

The spelling of 117308159 in words is "one hundred seventeen million, three hundred eight thousand, one hundred fifty-nine".

Divisors: 1 2969 39511 117308159