Base | Representation |
---|---|
bin | 10110111011101110… |
… | …10110101101111110 |
3 | 1011210001121002100222 |
4 | 23131313112231332 |
5 | 200203411212202 |
6 | 5353421221342 |
7 | 614052026600 |
oct | 133567265576 |
9 | 34701532328 |
10 | 12312210302 |
11 | 5248a15917 |
12 | 2477401852 |
13 | 1212a49252 |
14 | 84b28d170 |
15 | 4c0d924a2 |
hex | 2dddd6b7e |
12312210302 has 48 divisors (see below), whose sum is σ = 21737870208. Its totient is φ = 5214449520.
The previous prime is 12312210259. The next prime is 12312210307. The reversal of 12312210302 is 20301221321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312210307) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5105477 + ... + 5107887.
It is an arithmetic number, because the mean of its divisors is an integer number (452872296).
Almost surely, 212312210302 is an apocalyptic number.
12312210302 is a deficient number, since it is larger than the sum of its proper divisors (9425659906).
12312210302 is a wasteful number, since it uses less digits than its factorization.
12312210302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3021 (or 3014 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12312210302 its reverse (20301221321), we get a palindrome (32613431623).
The spelling of 12312210302 in words is "twelve billion, three hundred twelve million, two hundred ten thousand, three hundred two".
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