Base | Representation |
---|---|
bin | 10110111100110100… |
… | …00100010110010111 |
3 | 1011210200201101221122 |
4 | 23132122010112113 |
5 | 200213223410403 |
6 | 5354344234155 |
7 | 614222256614 |
oct | 133632042627 |
9 | 34720641848 |
10 | 12321310103 |
11 | 5253070713 |
12 | 247a46b95b |
13 | 12148b414b |
14 | 84c57b50b |
15 | 4c1a8d838 |
hex | 2de684597 |
12321310103 has 2 divisors, whose sum is σ = 12321310104. Its totient is φ = 12321310102.
The previous prime is 12321310061. The next prime is 12321310121. The reversal of 12321310103 is 30101312321.
It is a strong prime.
It is an emirp because it is prime and its reverse (30101312321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12321310103 - 26 = 12321310039 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12321310123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160655051 + 6160655052.
It is an arithmetic number, because the mean of its divisors is an integer number (6160655052).
Almost surely, 212321310103 is an apocalyptic number.
12321310103 is a deficient number, since it is larger than the sum of its proper divisors (1).
12321310103 is an equidigital number, since it uses as much as digits as its factorization.
12321310103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 12321310103 its reverse (30101312321), we get a palindrome (42422622424).
The spelling of 12321310103 in words is "twelve billion, three hundred twenty-one million, three hundred ten thousand, one hundred three".
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