Base | Representation |
---|---|
bin | 10110100100111100… |
… | …00100011010010001 |
3 | 1011021201212020111121 |
4 | 23102132010122101 |
5 | 144310441013322 |
6 | 5322431442241 |
7 | 606241034461 |
oct | 132236043221 |
9 | 34251766447 |
10 | 12121032337 |
11 | 5160008aa7 |
12 | 2423386381 |
13 | 11b22605ab |
14 | 82db25ba1 |
15 | 4ae1cbec7 |
hex | 2d2784691 |
12121032337 has 2 divisors, whose sum is σ = 12121032338. Its totient is φ = 12121032336.
The previous prime is 12121032293. The next prime is 12121032373. The reversal of 12121032337 is 73323012121.
It is a happy number.
Together with next prime (12121032373) 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., 11398551696 + 722480641 = 106764^2 + 26879^2 .
It is a cyclic number.
It is not a de Polignac number, because 12121032337 - 211 = 12121030289 is a prime.
It is not a weakly prime, because it can be changed into another prime (12121032437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060516168 + 6060516169.
It is an arithmetic number, because the mean of its divisors is an integer number (6060516169).
Almost surely, 212121032337 is an apocalyptic number.
It is an amenable number.
12121032337 is a deficient number, since it is larger than the sum of its proper divisors (1).
12121032337 is an equidigital number, since it uses as much as digits as its factorization.
12121032337 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1512, while the sum is 25.
Adding to 12121032337 its reverse (73323012121), we get a palindrome (85444044458).
The spelling of 12121032337 in words is "twelve billion, one hundred twenty-one million, thirty-two thousand, three hundred thirty-seven".
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