Base | Representation |
---|---|
bin | 110011110101010111… |
… | …0000100111111011101 |
3 | 101122022112102002100222 |
4 | 1213222232010333131 |
5 | 3310431401130023 |
6 | 123045221131125 |
7 | 11020263331250 |
oct | 1475256047735 |
9 | 348275362328 |
10 | 111312130013 |
11 | 43230882887 |
12 | 196a6259aa5 |
13 | a65c2c10b6 |
14 | 555d581097 |
15 | 2d673d1cc8 |
hex | 19eab84fdd |
111312130013 has 16 divisors (see below), whose sum is σ = 127638435840. Its totient is φ = 95092153200.
The previous prime is 111312129953. The next prime is 111312130031. The reversal of 111312130013 is 310031213111.
It is a cyclic number.
It is not a de Polignac number, because 111312130013 - 26 = 111312129949 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 111312129973 and 111312130000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111312130043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10465208 + ... + 10475838.
It is an arithmetic number, because the mean of its divisors is an integer number (7977402240).
Almost surely, 2111312130013 is an apocalyptic number.
It is an amenable number.
111312130013 is a deficient number, since it is larger than the sum of its proper divisors (16326305827).
111312130013 is a wasteful number, since it uses less digits than its factorization.
111312130013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15488.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 111312130013 its reverse (310031213111), we get a palindrome (421343343124).
The spelling of 111312130013 in words is "one hundred eleven billion, three hundred twelve million, one hundred thirty thousand, thirteen".
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