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118288103 = 232534219
BaseRepresentation
bin1110000110011…
…10111011100111
322020120122202212
413003032323213
5220240204403
615423154035
72634301163
oct703167347
9266518685
10118288103
116085266a
123374591b
131b67797b
14119d1ca3
15a5b84d8
hex70ceee7

118288103 has 12 divisors (see below), whose sum is σ = 126017640. Its totient is φ = 110984016.

The previous prime is 118288099. The next prime is 118288133. The reversal of 118288103 is 301882811.

It is a happy number.

It is not a de Polignac number, because 118288103 - 22 = 118288099 is a prime.

It is a super-2 number, since 2×1182881032 = 27984150622677218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118288103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118288133) 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 11 ways as a sum of consecutive naturals, for example, 25928 + ... + 30146.

It is an arithmetic number, because the mean of its divisors is an integer number (10501470).

Almost surely, 2118288103 is an apocalyptic number.

118288103 is a deficient number, since it is larger than the sum of its proper divisors (7729537).

118288103 is an equidigital number, since it uses as much as digits as its factorization.

118288103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 118288103 is about 10876.0334221627. The cubic root of 118288103 is about 490.8856715487.

The spelling of 118288103 in words is "one hundred eighteen million, two hundred eighty-eight thousand, one hundred three".

Divisors: 1 23 53 529 1219 4219 28037 97037 223607 2231851 5142961 118288103