Base | Representation |
---|---|
bin | 1101001111101… |
… | …11001100101101 |
3 | 21202002010101111 |
4 | 12213313030231 |
5 | 211421104010 |
6 | 15005312021 |
7 | 2516305423 |
oct | 647671455 |
9 | 252063344 |
10 | 111113005 |
11 | 577a1933 |
12 | 31265611 |
13 | 1a034b53 |
14 | 10a85113 |
15 | 9b4c58a |
hex | 69f732d |
111113005 has 4 divisors (see below), whose sum is σ = 133335612. Its totient is φ = 88890400.
The previous prime is 111112987. The next prime is 111113011. The reversal of 111113005 is 500311111.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500311111 = 23 ⋅21752657.
It can be written as a sum of positive squares in 2 ways, for example, as 40182921 + 70930084 = 6339^2 + 8422^2 .
It is not a de Polignac number, because 111113005 - 27 = 111112877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111296 + ... + 11111305.
It is an arithmetic number, because the mean of its divisors is an integer number (33333903).
Almost surely, 2111113005 is an apocalyptic number.
It is an amenable number.
111113005 is a deficient number, since it is larger than the sum of its proper divisors (22222607).
111113005 is an equidigital number, since it uses as much as digits as its factorization.
111113005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22222606.
The product of its (nonzero) digits is 15, while the sum is 13.
The square root of 111113005 is about 10541.0153685497. The cubic root of 111113005 is about 480.7525882141.
Adding to 111113005 its reverse (500311111), we get a palindrome (611424116).
The spelling of 111113005 in words is "one hundred eleven million, one hundred thirteen thousand, five".
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