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118802085 = 357920139
BaseRepresentation
bin1110001010011…
…00011010100101
322021112202211020
413011030122211
5220403131320
615442201353
72641541523
oct705143245
9267482736
10118802085
1161073846
1233953259
131b7c78bc
1411ac7313
15a66a940
hex714c6a5

118802085 has 8 divisors (see below), whose sum is σ = 190083360. Its totient is φ = 63361104.

The previous prime is 118802083. The next prime is 118802087. The reversal of 118802085 is 580208811.

It is an interprime number because it is at equal distance from previous prime (118802083) and next prime (118802087).

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

It is not a de Polignac number, because 118802085 - 21 = 118802083 is a prime.

It is a super-2 number, since 2×1188020852 = 28227870800694450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118802083) 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 7 ways as a sum of consecutive naturals, for example, 3960055 + ... + 3960084.

It is an arithmetic number, because the mean of its divisors is an integer number (23760420).

Almost surely, 2118802085 is an apocalyptic number.

118802085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118802085 is a deficient number, since it is larger than the sum of its proper divisors (71281275).

118802085 is an equidigital number, since it uses as much as digits as its factorization.

118802085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920147.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 118802085 is about 10899.6369205584. The cubic root of 118802085 is about 491.5956382440.

The spelling of 118802085 in words is "one hundred eighteen million, eight hundred two thousand, eighty-five".

Divisors: 1 3 5 15 7920139 23760417 39600695 118802085