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111113089 = 128986201
BaseRepresentation
bin1101001111101…
…11001110000001
321202002010111121
412213313032001
5211421104324
615005312241
72516305603
oct647671601
9252063447
10111113089
11577a19aa
1231265681
131a034bb9
1410a85173
159b4c5e4
hex69f7381

111113089 has 4 divisors (see below), whose sum is σ = 111200580. Its totient is φ = 111025600.

The previous prime is 111113087. The next prime is 111113099. The reversal of 111113089 is 980311111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46471489 + 64641600 = 6817^2 + 8040^2 .

It is a cyclic number.

It is not a de Polignac number, because 111113089 - 21 = 111113087 is a prime.

It is a super-2 number, since 2×1111130892 = 24692237094243842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113087) 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, 41812 + ... + 44389.

It is an arithmetic number, because the mean of its divisors is an integer number (27800145).

Almost surely, 2111113089 is an apocalyptic number.

It is an amenable number.

111113089 is a deficient number, since it is larger than the sum of its proper divisors (87491).

111113089 is an equidigital number, since it uses as much as digits as its factorization.

111113089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87490.

The product of its (nonzero) digits is 216, while the sum is 25.

The square root of 111113089 is about 10541.0193529848. The cubic root of 111113089 is about 480.7527093616.

The spelling of 111113089 in words is "one hundred eleven million, one hundred thirteen thousand, eighty-nine".

Divisors: 1 1289 86201 111113089