Base | Representation |
---|---|
bin | 10110011011011011… |
… | …01001101101101101 |
3 | 1011002011200220221102 |
4 | 23031231221231231 |
5 | 144130023344323 |
6 | 5310501212445 |
7 | 604251530234 |
oct | 131555515555 |
9 | 34064626842 |
10 | 12041231213 |
11 | 5119a63260 |
12 | 2400701125 |
13 | 119b86c8ab |
14 | 8232b1b1b |
15 | 4a71b7328 |
hex | 2cdb69b6d |
12041231213 has 8 divisors (see below), whose sum is σ = 13351231776. Its totient is φ = 10767121200.
The previous prime is 12041231179. The next prime is 12041231231. The reversal of 12041231213 is 31213214021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12041231213 - 26 = 12041231149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12041231233) 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, 8971931 + ... + 8973272.
It is an arithmetic number, because the mean of its divisors is an integer number (1668903972).
Almost surely, 212041231213 is an apocalyptic number.
It is an amenable number.
12041231213 is a deficient number, since it is larger than the sum of its proper divisors (1310000563).
12041231213 is a wasteful number, since it uses less digits than its factorization.
12041231213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17945275.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12041231213 its reverse (31213214021), we get a palindrome (43254445234).
The spelling of 12041231213 in words is "twelve billion, forty-one million, two hundred thirty-one thousand, two hundred thirteen".
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