Base | Representation |
---|---|
bin | 10110111011101110… |
… | …00011001011111111 |
3 | 1011210001110000122001 |
4 | 23131313003023333 |
5 | 200203401132203 |
6 | 5353415403131 |
7 | 614051244424 |
oct | 133567031377 |
9 | 34701400561 |
10 | 12312130303 |
11 | 5248970800 |
12 | 24773834a7 |
13 | 1212a1ba05 |
14 | 84b26bd4b |
15 | 4c0d7891d |
hex | 2dddc32ff |
12312130303 has 48 divisors (see below), whose sum is σ = 14579460000. Its totient is φ = 10388463360.
The previous prime is 12312130247. The next prime is 12312130307. The reversal of 12312130303 is 30303121321.
It is a de Polignac number, because none of the positive numbers 2k-12312130303 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 (12312130307) 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 47 ways as a sum of consecutive naturals, for example, 82631673 + ... + 82631821.
It is an arithmetic number, because the mean of its divisors is an integer number (303738750).
Almost surely, 212312130303 is an apocalyptic number.
12312130303 is a deficient number, since it is larger than the sum of its proper divisors (2267329697).
12312130303 is a wasteful number, since it uses less digits than its factorization.
12312130303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361 (or 316 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 12312130303 its reverse (30303121321), we get a palindrome (42615251624).
The spelling of 12312130303 in words is "twelve billion, three hundred twelve million, one hundred thirty thousand, three hundred three".
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