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118118011 = 1121150891
BaseRepresentation
bin1110000101001…
…01011001111011
322020021000110011
413002211121323
5220214234021
615415402351
72632662244
oct702453173
9266230404
10118118011
11607468a0
12336833b7
131b61841b
1411989ccb
15a582de1
hex70a567b

118118011 has 8 divisors (see below), whose sum is σ = 129469248. Its totient is φ = 106869000.

The previous prime is 118118009. The next prime is 118118017. The reversal of 118118011 is 110811811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118118011 - 21 = 118118009 is a prime.

It is a super-2 number, since 2×1181180112 = 27903729045192242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118118017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23125 + ... + 27766.

It is an arithmetic number, because the mean of its divisors is an integer number (16183656).

Almost surely, 2118118011 is an apocalyptic number.

118118011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118118011 is a deficient number, since it is larger than the sum of its proper divisors (11351237).

118118011 is a wasteful number, since it uses less digits than its factorization.

118118011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51113.

The product of its (nonzero) digits is 64, while the sum is 22.

The square root of 118118011 is about 10868.2110303398. The cubic root of 118118011 is about 490.6502695195.

Adding to 118118011 its reverse (110811811), we get a palindrome (228929822).

The spelling of 118118011 in words is "one hundred eighteen million, one hundred eighteen thousand, eleven".

Divisors: 1 11 211 2321 50891 559801 10738001 118118011