Base | Representation |
---|---|
bin | 100101011011100000111110… |
… | …001100011011111001101101 |
3 | 210120212101020210021211122102 |
4 | 211123200332030123321231 |
5 | 133034102242242442433 |
6 | 1342040415015424445 |
7 | 46450204062234665 |
oct | 4533407614337155 |
9 | 716771223254572 |
10 | 164618549968493 |
11 | 484a8375951315 |
12 | 16568217385125 |
13 | 70b16025a997a |
14 | 2c9181a5db1a5 |
15 | 140718d98c4e8 |
hex | 95b83e31be6d |
164618549968493 has 2 divisors, whose sum is σ = 164618549968494. Its totient is φ = 164618549968492.
The previous prime is 164618549968463. The next prime is 164618549968501. The reversal of 164618549968493 is 394869945816461.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 120084842972329 + 44533706996164 = 10958323^2 + 6673358^2 .
It is a cyclic number.
It is not a de Polignac number, because 164618549968493 - 216 = 164618549902957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (164618549968403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82309274984246 + 82309274984247.
It is an arithmetic number, because the mean of its divisors is an integer number (82309274984247).
Almost surely, 2164618549968493 is an apocalyptic number.
It is an amenable number.
164618549968493 is a deficient number, since it is larger than the sum of its proper divisors (1).
164618549968493 is an equidigital number, since it uses as much as digits as its factorization.
164618549968493 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9674588160, while the sum is 83.
The spelling of 164618549968493 in words is "one hundred sixty-four trillion, six hundred eighteen billion, five hundred forty-nine million, nine hundred sixty-eight thousand, four hundred ninety-three".
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