Base | Representation |
---|---|
bin | 10000000001101111… |
… | …000011001111111111 |
3 | 1122102022201210020101 |
4 | 100001233003033333 |
5 | 240220444333404 |
6 | 11523344101531 |
7 | 1146311630515 |
oct | 200157031777 |
9 | 48368653211 |
10 | 17208980479 |
11 | 7331025819 |
12 | 34033048a7 |
13 | 18133a31b2 |
14 | b9375c4b5 |
15 | 6aac072a4 |
hex | 401bc33ff |
17208980479 has 2 divisors, whose sum is σ = 17208980480. Its totient is φ = 17208980478.
The previous prime is 17208980407. The next prime is 17208980491. The reversal of 17208980479 is 97408980271.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (97408980271) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 17208980479 - 29 = 17208979967 is a prime.
It is a super-2 number, since 2×172089804792 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (17208987479) 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, 8604490239 + 8604490240.
It is an arithmetic number, because the mean of its divisors is an integer number (8604490240).
Almost surely, 217208980479 is an apocalyptic number.
17208980479 is a deficient number, since it is larger than the sum of its proper divisors (1).
17208980479 is an equidigital number, since it uses as much as digits as its factorization.
17208980479 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2032128, while the sum is 55.
The spelling of 17208980479 in words is "seventeen billion, two hundred eight million, nine hundred eighty thousand, four hundred seventy-nine".
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