Base | Representation |
---|---|
bin | 1111110011011111… |
… | …10001011110010101 |
3 | 210220100001112211011 |
4 | 13321233301132111 |
5 | 114334131024433 |
6 | 3521543212221 |
7 | 420160313221 |
oct | 77157613625 |
9 | 23810045734 |
10 | 8485017493 |
11 | 3664631257 |
12 | 1789747071 |
13 | a52b80814 |
14 | 5a6c7d781 |
15 | 349da43cd |
hex | 1f9bf1795 |
8485017493 has 2 divisors, whose sum is σ = 8485017494. Its totient is φ = 8485017492.
The previous prime is 8485017487. The next prime is 8485017517. The reversal of 8485017493 is 3947105848.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5777064049 + 2707953444 = 76007^2 + 52038^2 .
It is a cyclic number.
It is not a de Polignac number, because 8485017493 - 229 = 7948146581 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8485017433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4242508746 + 4242508747.
It is an arithmetic number, because the mean of its divisors is an integer number (4242508747).
Almost surely, 28485017493 is an apocalyptic number.
It is an amenable number.
8485017493 is a deficient number, since it is larger than the sum of its proper divisors (1).
8485017493 is an equidigital number, since it uses as much as digits as its factorization.
8485017493 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 967680, while the sum is 49.
The square root of 8485017493 is about 92114.1546831973. The cubic root of 8485017493 is about 2039.6277589584.
The spelling of 8485017493 in words is "eight billion, four hundred eighty-five million, seventeen thousand, four hundred ninety-three".
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