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113102205 = 357540147
BaseRepresentation
bin1101011110111…
…00110101111101
321212211012001120
412233130311331
5212423232310
615120101153
72542232016
oct657346575
9255735046
10113102205
11589303a7
1231a647b9
131a5803a8
141104200d
159de1b70
hex6bdcd7d

113102205 has 8 divisors (see below), whose sum is σ = 180963552. Its totient is φ = 60321168.

The previous prime is 113102153. The next prime is 113102239. The reversal of 113102205 is 502201311.

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

It is not a de Polignac number, because 113102205 - 26 = 113102141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 7540147 = 113102205 / (1 + 1 + 3 + 1 + 0 + 2 + 2 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770059 + ... + 3770088.

It is an arithmetic number, because the mean of its divisors is an integer number (22620444).

Almost surely, 2113102205 is an apocalyptic number.

113102205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113102205 is a deficient number, since it is larger than the sum of its proper divisors (67861347).

113102205 is an equidigital number, since it uses as much as digits as its factorization.

113102205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540155.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 113102205 is about 10634.9520450259. The cubic root of 113102205 is about 483.6045266293.

Adding to 113102205 its reverse (502201311), we get a palindrome (615303516).

The spelling of 113102205 in words is "one hundred thirteen million, one hundred two thousand, two hundred five".

Divisors: 1 3 5 15 7540147 22620441 37700735 113102205