Base | Representation |
---|---|
bin | 10110100100001111… |
… | …00001011111001100 |
3 | 1011021022201222012211 |
4 | 23102013201133030 |
5 | 144302432401444 |
6 | 5322101040204 |
7 | 606136560520 |
oct | 132207413714 |
9 | 34238658184 |
10 | 12115122124 |
11 | 5157741626 |
12 | 24213b6064 |
13 | 11b0c71421 |
14 | 82d027d80 |
15 | 4ad910c34 |
hex | 2d21e17cc |
12115122124 has 24 divisors (see below), whose sum is σ = 24240571040. Its totient is φ = 5189982336.
The previous prime is 12115122113. The next prime is 12115122137. The reversal of 12115122124 is 42122151121.
12115122124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12115122095 and 12115122104.
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 7 ways as a sum of consecutive naturals, for example, 24459 + ... + 157570.
Almost surely, 212115122124 is an apocalyptic number.
12115122124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12115122124 is an abundant number, since it is smaller than the sum of its proper divisors (12125448916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12115122124 is a wasteful number, since it uses less digits than its factorization.
12115122124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184417 (or 184415 counting only the distinct ones).
The product of its digits is 320, while the sum is 22.
Adding to 12115122124 its reverse (42122151121), we get a palindrome (54237273245).
The spelling of 12115122124 in words is "twelve billion, one hundred fifteen million, one hundred twenty-two thousand, one hundred twenty-four".
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