Base | Representation |
---|---|
bin | 1110101011111… |
… | …10101011111001 |
3 | 22120211022210001 |
4 | 13111332223321 |
5 | 223014433142 |
6 | 20120353001 |
7 | 3024126241 |
oct | 725765371 |
9 | 276738701 |
10 | 123202297 |
11 | 635a9789 |
12 | 35315761 |
13 | 1c6a868a |
14 | 12510b21 |
15 | ac395b7 |
hex | 757eaf9 |
123202297 has 2 divisors, whose sum is σ = 123202298. Its totient is φ = 123202296.
The previous prime is 123202279. The next prime is 123202309. The reversal of 123202297 is 792202321.
Together with previous prime (123202279) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 119596096 + 3606201 = 10936^2 + 1899^2 .
It is a cyclic number.
It is not a de Polignac number, because 123202297 - 219 = 122678009 is a prime.
It is not a weakly prime, because it can be changed into another prime (123202217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601148 + 61601149.
It is an arithmetic number, because the mean of its divisors is an integer number (61601149).
Almost surely, 2123202297 is an apocalyptic number.
It is an amenable number.
123202297 is a deficient number, since it is larger than the sum of its proper divisors (1).
123202297 is an equidigital number, since it uses as much as digits as its factorization.
123202297 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 123202297 is about 11099.6530125946. The cubic root of 123202297 is about 497.5914793523.
The spelling of 123202297 in words is "one hundred twenty-three million, two hundred two thousand, two hundred ninety-seven".
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