Base | Representation |
---|---|
bin | 10110100010101101… |
… | …00111110110010010 |
3 | 1011020102121200211222 |
4 | 23101112213312102 |
5 | 144241142144442 |
6 | 5320522205042 |
7 | 605622610400 |
oct | 132126476622 |
9 | 34212550758 |
10 | 12102303122 |
11 | 5150486508 |
12 | 2419053782 |
13 | 11ab403710 |
14 | 82b44c470 |
15 | 4ac72c8d2 |
hex | 2d15a7d92 |
12102303122 has 24 divisors (see below), whose sum is σ = 22741692876. Its totient is φ = 4787723808.
The previous prime is 12102303121. The next prime is 12102303133. The reversal of 12102303122 is 22130320121.
It can be written as a sum of positive squares in 2 ways, for example, as 11676747481 + 425555641 = 108059^2 + 20629^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12102303122.
It is not an unprimeable number, because it can be changed into a prime (12102303121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4748453 + ... + 4751000.
Almost surely, 212102303122 is an apocalyptic number.
12102303122 is a deficient number, since it is larger than the sum of its proper divisors (10639389754).
12102303122 is a wasteful number, since it uses less digits than its factorization.
12102303122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9499482 (or 9499475 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12102303122 its reverse (22130320121), we get a palindrome (34232623243).
The spelling of 12102303122 in words is "twelve billion, one hundred two million, three hundred three thousand, one hundred twenty-two".
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