Base | Representation |
---|---|
bin | 1001000100100111100000… |
… | …0101110001111101111001 |
3 | 1022022121000221102111102211 |
4 | 2101021320011301331321 |
5 | 2301412123240430432 |
6 | 33114230303055121 |
7 | 2046444015126064 |
oct | 221117005617571 |
9 | 38277027374384 |
10 | 9974928842617 |
11 | 31a6386316442 |
12 | 115125b5a14a1 |
13 | 574829c6975b |
14 | 266b095418db |
15 | 12470ddb6d47 |
hex | 91278171f79 |
9974928842617 has 2 divisors, whose sum is σ = 9974928842618. Its totient is φ = 9974928842616.
The previous prime is 9974928842563. The next prime is 9974928842633. The reversal of 9974928842617 is 7162488294799.
9974928842617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6562721891961 + 3412206950656 = 2561781^2 + 1847216^2 .
It is an emirp because it is prime and its reverse (7162488294799) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-9974928842617 is a prime.
It is not a weakly prime, because it can be changed into another prime (9974928842677) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987464421308 + 4987464421309.
It is an arithmetic number, because the mean of its divisors is an integer number (4987464421309).
Almost surely, 29974928842617 is an apocalyptic number.
It is an amenable number.
9974928842617 is a deficient number, since it is larger than the sum of its proper divisors (1).
9974928842617 is an equidigital number, since it uses as much as digits as its factorization.
9974928842617 is an evil number, because the sum of its binary digits is even.
The product of its digits is 877879296, while the sum is 76.
The spelling of 9974928842617 in words is "nine trillion, nine hundred seventy-four billion, nine hundred twenty-eight million, eight hundred forty-two thousand, six hundred seventeen".
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