Base | Representation |
---|---|
bin | 10110100010101100… |
… | …10100010111001111 |
3 | 1011020102110122101000 |
4 | 23101112110113033 |
5 | 144241132121221 |
6 | 5320520351343 |
7 | 605622125613 |
oct | 132126242717 |
9 | 34212418330 |
10 | 12102223311 |
11 | 5150431552 |
12 | 2419015553 |
13 | 11ab3a62a9 |
14 | 82b42b343 |
15 | 4ac713e26 |
hex | 2d15945cf |
12102223311 has 32 divisors (see below), whose sum is σ = 18621158400. Its totient is φ = 7762599360.
The previous prime is 12102223271. The next prime is 12102223321. The reversal of 12102223311 is 11332220121.
It is not a de Polignac number, because 12102223311 - 27 = 12102223183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102223321) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5950 + ... + 155691.
It is an arithmetic number, because the mean of its divisors is an integer number (581911200).
Almost surely, 212102223311 is an apocalyptic number.
12102223311 is a deficient number, since it is larger than the sum of its proper divisors (6518935089).
12102223311 is a wasteful number, since it uses less digits than its factorization.
12102223311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161756 (or 161750 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 12102223311 its reverse (11332220121), we get a palindrome (23434443432).
The spelling of 12102223311 in words is "twelve billion, one hundred two million, two hundred twenty-three thousand, three hundred eleven".
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