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118385930 = 2513910661
BaseRepresentation
bin1110000111001…
…10110100001010
322020202121222002
413003212310022
5220301322210
615425231002
72635156325
oct703466412
9266677862
10118385930
116090a113
1233792462
131b6b0360
1411a197bc
15a5d74a5
hex70e6d0a

118385930 has 16 divisors (see below), whose sum is σ = 229486824. Its totient is φ = 43711680.

The previous prime is 118385929. The next prime is 118385957. The reversal of 118385930 is 39583811.

It can be written as a sum of positive squares in 4 ways, for example, as 32137561 + 86248369 = 5669^2 + 9287^2 .

It is an unprimeable number.

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, 455201 + ... + 455460.

Almost surely, 2118385930 is an apocalyptic number.

118385930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118385930 is a deficient number, since it is larger than the sum of its proper divisors (111100894).

118385930 is a wasteful number, since it uses less digits than its factorization.

118385930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910681.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 118385930 is about 10880.5298584214. The cubic root of 118385930 is about 491.0209588657.

The spelling of 118385930 in words is "one hundred eighteen million, three hundred eighty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 910661 1821322 4553305 9106610 11838593 23677186 59192965 118385930