Base | Representation |
---|---|
bin | 10110100100110101… |
… | …01011100110100101 |
3 | 1011021200012010100002 |
4 | 23102122223212211 |
5 | 144310224104133 |
6 | 5322400431045 |
7 | 606230345435 |
oct | 132232534645 |
9 | 34250163302 |
10 | 12120144293 |
11 | 515a561884 |
12 | 2423018485 |
13 | 11b200c31a |
14 | 82d9742c5 |
15 | 4ae0a3ce8 |
hex | 2d26ab9a5 |
12120144293 has 2 divisors, whose sum is σ = 12120144294. Its totient is φ = 12120144292.
The previous prime is 12120144167. The next prime is 12120144301. The reversal of 12120144293 is 39244102121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12030141124 + 90003169 = 109682^2 + 9487^2 .
It is a cyclic number.
It is not a de Polignac number, because 12120144293 - 28 = 12120144037 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12120143293) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060072146 + 6060072147.
It is an arithmetic number, because the mean of its divisors is an integer number (6060072147).
Almost surely, 212120144293 is an apocalyptic number.
It is an amenable number.
12120144293 is a deficient number, since it is larger than the sum of its proper divisors (1).
12120144293 is an equidigital number, since it uses as much as digits as its factorization.
12120144293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 12120144293 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, two hundred ninety-three".
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