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118106045 = 523621209
BaseRepresentation
bin1110000101000…
…10011110111101
322020020102000222
413002202132331
5220213343140
615415231125
72632612331
oct702423675
9266212028
10118106045
1160738902
12336784a5
131b612b45
14119857c1
15a57e5b5
hex70a27bd

118106045 has 4 divisors (see below), whose sum is σ = 141727260. Its totient is φ = 94484832.

The previous prime is 118106041. The next prime is 118106099. The reversal of 118106045 is 540601811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540601811 = 1459370529.

It can be written as a sum of positive squares in 2 ways, for example, as 58461316 + 59644729 = 7646^2 + 7723^2 .

It is a cyclic number.

It is not a de Polignac number, because 118106045 - 22 = 118106041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118106041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11810600 + ... + 11810609.

It is an arithmetic number, because the mean of its divisors is an integer number (35431815).

Almost surely, 2118106045 is an apocalyptic number.

It is an amenable number.

118106045 is a deficient number, since it is larger than the sum of its proper divisors (23621215).

118106045 is an equidigital number, since it uses as much as digits as its factorization.

118106045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23621214.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 118106045 is about 10867.6605118121. The cubic root of 118106045 is about 490.6337004421.

Adding to 118106045 its reverse (540601811), we get a palindrome (658707856).

The spelling of 118106045 in words is "one hundred eighteen million, one hundred six thousand, forty-five".

Divisors: 1 5 23621209 118106045