Base | Representation |
---|---|
bin | 100101111001010111100011… |
… | …101001010110101001110001 |
3 | 210212010111110121211212200222 |
4 | 211321113203221112221301 |
5 | 133321210202422040001 |
6 | 1350251052541222425 |
7 | 50051340412013114 |
oct | 4571274351265161 |
9 | 725114417755628 |
10 | 166670025190001 |
11 | 491193a7160983 |
12 | 16839926261a15 |
13 | 71ccbba408898 |
14 | 2d22c2d6b057b |
15 | 144070aab261b |
hex | 9795e3a56a71 |
166670025190001 has 2 divisors, whose sum is σ = 166670025190002. Its totient is φ = 166670025190000.
The previous prime is 166670025189971. The next prime is 166670025190043. The reversal of 166670025190001 is 100091520076661.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 165075626526976 + 1594398663025 = 12848176^2 + 1262695^2 .
It is an emirp because it is prime and its reverse (100091520076661) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 166670025190001 - 222 = 166670020995697 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (166670025190301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83335012595000 + 83335012595001.
It is an arithmetic number, because the mean of its divisors is an integer number (83335012595001).
Almost surely, 2166670025190001 is an apocalyptic number.
It is an amenable number.
166670025190001 is a deficient number, since it is larger than the sum of its proper divisors (1).
166670025190001 is an equidigital number, since it uses as much as digits as its factorization.
166670025190001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 136080, while the sum is 44.
The spelling of 166670025190001 in words is "one hundred sixty-six trillion, six hundred seventy billion, twenty-five million, one hundred ninety thousand, one".
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