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118118579 is a prime number
BaseRepresentation
bin1110000101001…
…01100010110011
322020021001020012
413002211202303
5220214243304
615415405135
72632664015
oct702454263
9266231205
10118118579
1160747267
12336837ab
131b618767
141198a1b5
15a58316e
hex70a58b3

118118579 has 2 divisors, whose sum is σ = 118118580. Its totient is φ = 118118578.

The previous prime is 118118551. The next prime is 118118597. The reversal of 118118579 is 975811811.

Together with next prime (118118597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-118118579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (118118779) 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 as a sum of consecutive naturals, namely, 59059289 + 59059290.

It is an arithmetic number, because the mean of its divisors is an integer number (59059290).

Almost surely, 2118118579 is an apocalyptic number.

118118579 is a deficient number, since it is larger than the sum of its proper divisors (1).

118118579 is an equidigital number, since it uses as much as digits as its factorization.

118118579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 41.

The square root of 118118579 is about 10868.2371615640. The cubic root of 118118579 is about 490.6510559897.

The spelling of 118118579 in words is "one hundred eighteen million, one hundred eighteen thousand, five hundred seventy-nine".