Base | Representation |
---|---|
bin | 10110100011111111… |
… | …11001011100101001 |
3 | 1011021011222102002101 |
4 | 23101333321130221 |
5 | 144301424414423 |
6 | 5321550133401 |
7 | 606113563510 |
oct | 132177713451 |
9 | 34234872071 |
10 | 12113123113 |
11 | 51565a6753 |
12 | 24207b1261 |
13 | 11b0721590 |
14 | 82ca67677 |
15 | 4ad6687ad |
hex | 2d1ff9729 |
12113123113 has 16 divisors (see below), whose sum is σ = 14947838080. Its totient is φ = 9558694656.
The previous prime is 12113123093. The next prime is 12113123119. The reversal of 12113123113 is 31132131121.
It is not a de Polignac number, because 12113123113 - 29 = 12113122601 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12113123119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141120 + ... + 210097.
It is an arithmetic number, because the mean of its divisors is an integer number (934239880).
Almost surely, 212113123113 is an apocalyptic number.
12113123113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12113123113 is a deficient number, since it is larger than the sum of its proper divisors (2834714967).
12113123113 is a wasteful number, since it uses less digits than its factorization.
12113123113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351616.
The product of its digits is 108, while the sum is 19.
Adding to 12113123113 its reverse (31132131121), we get a palindrome (43245254234).
The spelling of 12113123113 in words is "twelve billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred thirteen".
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