Base | Representation |
---|---|
bin | 1101001111101… |
… | …10111101001101 |
3 | 21202002002000202 |
4 | 12213312331031 |
5 | 211421041023 |
6 | 15005303245 |
7 | 2516302505 |
oct | 647667515 |
9 | 252062022 |
10 | 111112013 |
11 | 577a1111 |
12 | 31264b25 |
13 | 1a03456c |
14 | 10a84a05 |
15 | 9b4c128 |
hex | 69f6f4d |
111112013 has 8 divisors (see below), whose sum is σ = 112173600. Its totient is φ = 110054448.
The previous prime is 111112007. The next prime is 111112037. The reversal of 111112013 is 310211111.
It is a happy number.
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 111112013 - 224 = 94334797 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 111111985 and 111112003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111112003) 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, 90995 + ... + 92207.
It is an arithmetic number, because the mean of its divisors is an integer number (14021700).
Almost surely, 2111112013 is an apocalyptic number.
It is an amenable number.
111112013 is a deficient number, since it is larger than the sum of its proper divisors (1061587).
111112013 is a wasteful number, since it uses less digits than its factorization.
111112013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2011.
The product of its (nonzero) digits is 6, while the sum is 11.
The square root of 111112013 is about 10540.9683141541. The cubic root of 111112013 is about 480.7511575145.
Adding to 111112013 its reverse (310211111), we get a palindrome (421323124).
The spelling of 111112013 in words is "one hundred eleven million, one hundred twelve thousand, thirteen".
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