Base | Representation |
---|---|
bin | 10110100010101100… |
… | …10100000010111101 |
3 | 1011020102110120120221 |
4 | 23101112110002331 |
5 | 144241132101023 |
6 | 5320520341341 |
7 | 605622122050 |
oct | 132126240275 |
9 | 34212416527 |
10 | 12102222013 |
11 | 5150430582 |
12 | 2419014851 |
13 | 11ab3a581b |
14 | 82b42aa97 |
15 | 4ac71385d |
hex | 2d15940bd |
12102222013 has 16 divisors (see below), whose sum is σ = 14081996160. Its totient is φ = 10185581376.
The previous prime is 12102221981. The next prime is 12102222017. The reversal of 12102222013 is 31022220121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12102222013 - 25 = 12102221981 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 (12102222017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345495 + ... + 378907.
It is an arithmetic number, because the mean of its divisors is an integer number (880124760).
Almost surely, 212102222013 is an apocalyptic number.
It is an amenable number.
12102222013 is a deficient number, since it is larger than the sum of its proper divisors (1979774147).
12102222013 is an equidigital number, since it uses as much as digits as its factorization.
12102222013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34356.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12102222013 its reverse (31022220121), we get a palindrome (43124442134).
The spelling of 12102222013 in words is "twelve billion, one hundred two million, two hundred twenty-two thousand, thirteen".
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