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118106513 = 722410337
BaseRepresentation
bin1110000101000…
…10100110010001
322020020102200022
413002202212101
5220213402023
615415233225
72632613600
oct702424621
9266212608
10118106513
1160739198
1233678815
131b613115
1411985a37
15a57e7c8
hex70a2991

118106513 has 6 divisors (see below), whose sum is σ = 137389266. Its totient is φ = 101234112.

The previous prime is 118106507. The next prime is 118106519. The reversal of 118106513 is 315601811.

It is an interprime number because it is at equal distance from previous prime (118106507) and next prime (118106519).

It can be written as a sum of positive squares in only one way, i.e., 92775424 + 25331089 = 9632^2 + 5033^2 .

It is not a de Polignac number, because 118106513 - 210 = 118105489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118106519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1205120 + ... + 1205217.

It is an arithmetic number, because the mean of its divisors is an integer number (22898211).

Almost surely, 2118106513 is an apocalyptic number.

It is an amenable number.

118106513 is a deficient number, since it is larger than the sum of its proper divisors (19282753).

118106513 is an equidigital number, since it uses as much as digits as its factorization.

118106513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410351 (or 2410344 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 118106513 is about 10867.6820435638. The cubic root of 118106513 is about 490.6343484932.

The spelling of 118106513 in words is "one hundred eighteen million, one hundred six thousand, five hundred thirteen".

Divisors: 1 7 49 2410337 16872359 118106513