Base | Representation |
---|---|
bin | 11000010000000000110… |
… | …100101011101111011011 |
3 | 12220022102112121021011202 |
4 | 120100000310223233123 |
5 | 204300403021341444 |
6 | 3313321153144415 |
7 | 231253313546456 |
oct | 30200064535733 |
9 | 5808375537152 |
10 | 1666461121499 |
11 | 592818949789 |
12 | 22ab7a55b10b |
13 | c11ba140b35 |
14 | 5a92b30449d |
15 | 2d5361a834e |
hex | 18400d2bbdb |
1666461121499 has 2 divisors, whose sum is σ = 1666461121500. Its totient is φ = 1666461121498.
The previous prime is 1666461121399. The next prime is 1666461121511. The reversal of 1666461121499 is 9941211646661.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1666461121499 - 212 = 1666461117403 is a prime.
It is not a weakly prime, because it can be changed into another prime (1666461121399) 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, 833230560749 + 833230560750.
It is an arithmetic number, because the mean of its divisors is an integer number (833230560750).
Almost surely, 21666461121499 is an apocalyptic number.
1666461121499 is a deficient number, since it is larger than the sum of its proper divisors (1).
1666461121499 is an equidigital number, since it uses as much as digits as its factorization.
1666461121499 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3359232, while the sum is 56.
The spelling of 1666461121499 in words is "one trillion, six hundred sixty-six billion, four hundred sixty-one million, one hundred twenty-one thousand, four hundred ninety-nine".
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