Base | Representation |
---|---|
bin | 11111101100111100… |
… | …10011011010110001 |
3 | 1121221011012122211111 |
4 | 33312132103122301 |
5 | 234324112302011 |
6 | 11452514313321 |
7 | 1141525650304 |
oct | 176636233261 |
9 | 47834178744 |
10 | 17020040881 |
11 | 7244407698 |
12 | 336bb88841 |
13 | 17b31bc30c |
14 | b76618b3b |
15 | 699335121 |
hex | 3f67936b1 |
17020040881 has 2 divisors, whose sum is σ = 17020040882. Its totient is φ = 17020040880.
The previous prime is 17020040813. The next prime is 17020040897. The reversal of 17020040881 is 18804002071.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9374112400 + 7645928481 = 96820^2 + 87441^2 .
It is a cyclic number.
It is not a de Polignac number, because 17020040881 - 215 = 17020008113 is a prime.
It is a super-2 number, since 2×170200408812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (17020040981) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8510020440 + 8510020441.
It is an arithmetic number, because the mean of its divisors is an integer number (8510020441).
Almost surely, 217020040881 is an apocalyptic number.
It is an amenable number.
17020040881 is a deficient number, since it is larger than the sum of its proper divisors (1).
17020040881 is an equidigital number, since it uses as much as digits as its factorization.
17020040881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3584, while the sum is 31.
The spelling of 17020040881 in words is "seventeen billion, twenty million, forty thousand, eight hundred eighty-one".
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