Base | Representation |
---|---|
bin | 10110100110001001… |
… | …01000011000011000 |
3 | 1011022102212211011212 |
4 | 23103010220120120 |
5 | 144321033004034 |
6 | 5323432242252 |
7 | 606422666303 |
oct | 132304503030 |
9 | 34272784155 |
10 | 12131141144 |
11 | 5165792991 |
12 | 2426840388 |
13 | 11b438c835 |
14 | 8311d7b3a |
15 | 4b00272ce |
hex | 2d3128618 |
12131141144 has 8 divisors (see below), whose sum is σ = 22745889660. Its totient is φ = 6065570568.
The previous prime is 12131141117. The next prime is 12131141149. The reversal of 12131141144 is 44114113121.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12131141149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758196314 + ... + 758196329.
Almost surely, 212131141144 is an apocalyptic number.
It is an amenable number.
12131141144 is a deficient number, since it is larger than the sum of its proper divisors (10614748516).
12131141144 is a wasteful number, since it uses less digits than its factorization.
12131141144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1516392649 (or 1516392645 counting only the distinct ones).
The product of its digits is 384, while the sum is 23.
Adding to 12131141144 its reverse (44114113121), we get a palindrome (56245254265).
The spelling of 12131141144 in words is "twelve billion, one hundred thirty-one million, one hundred forty-one thousand, one hundred forty-four".
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