Base | Representation |
---|---|
bin | 10110101111100101… |
… | …01101101100101100 |
3 | 1011111221220001102201 |
4 | 23113302231230230 |
5 | 200001321033122 |
6 | 5335341431244 |
7 | 611404044640 |
oct | 132762555454 |
9 | 34457801381 |
10 | 12210330412 |
11 | 51a645aa65 |
12 | 244926b524 |
13 | 11c78c7ba7 |
14 | 83b92cc20 |
15 | 4b6e6aa27 |
hex | 2d7cadb2c |
12210330412 has 12 divisors (see below), whose sum is σ = 24420660880. Its totient is φ = 5232998736.
The previous prime is 12210330397. The next prime is 12210330421. The reversal of 12210330412 is 21403301221.
It is a happy number.
12210330412 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 12210330412.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218041587 + ... + 218041642.
Almost surely, 212210330412 is an apocalyptic number.
It is an amenable number.
12210330412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210330412 is a wasteful number, since it uses less digits than its factorization.
12210330412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436083240 (or 436083238 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 12210330412 its reverse (21403301221), we get a palindrome (33613631633).
The spelling of 12210330412 in words is "twelve billion, two hundred ten million, three hundred thirty thousand, four hundred twelve".
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