Base | Representation |
---|---|
bin | 1001010100000011101… |
… | …11000110111011001001 |
3 | 1010120222210021201012112 |
4 | 10222001313012323021 |
5 | 20220333102141144 |
6 | 403001525152105 |
7 | 32056024363001 |
oct | 4520167067311 |
9 | 1116883251175 |
10 | 320006287049 |
11 | 11379422a929 |
12 | 5202955b635 |
13 | 2423a8c8097 |
14 | 116ba1c3001 |
15 | 84cdc6c99e |
hex | 4a81dc6ec9 |
320006287049 has 2 divisors, whose sum is σ = 320006287050. Its totient is φ = 320006287048.
The previous prime is 320006286953. The next prime is 320006287079. The reversal of 320006287049 is 940782600023.
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., 297586615225 + 22419671824 = 545515^2 + 149732^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-320006287049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 320006286997 and 320006287015.
It is not a weakly prime, because it can be changed into another prime (320006287079) 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, 160003143524 + 160003143525.
It is an arithmetic number, because the mean of its divisors is an integer number (160003143525).
Almost surely, 2320006287049 is an apocalyptic number.
It is an amenable number.
320006287049 is a deficient number, since it is larger than the sum of its proper divisors (1).
320006287049 is an equidigital number, since it uses as much as digits as its factorization.
320006287049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 145152, while the sum is 41.
The spelling of 320006287049 in words is "three hundred twenty billion, six million, two hundred eighty-seven thousand, forty-nine".
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