Base | Representation |
---|---|
bin | 1111011011101100… |
… | …00111101111101001 |
3 | 210101102100122100110 |
4 | 13231312013233221 |
5 | 113432022324420 |
6 | 3450051524533 |
7 | 412214232615 |
oct | 75566075751 |
9 | 23342318313 |
10 | 8285354985 |
11 | 3571959916 |
12 | 17328b9749 |
13 | a206b401b |
14 | 588548345 |
15 | 3375b4ee0 |
hex | 1edd87be9 |
8285354985 has 16 divisors (see below), whose sum is σ = 13954282560. Its totient is φ = 4186284480.
The previous prime is 8285354983. The next prime is 8285354993. The reversal of 8285354985 is 5894535828.
It is not a de Polignac number, because 8285354985 - 21 = 8285354983 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is not an unprimeable number, because it can be changed into a prime (8285354983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14535426 + ... + 14535995.
It is an arithmetic number, because the mean of its divisors is an integer number (872142660).
Almost surely, 28285354985 is an apocalyptic number.
It is an amenable number.
8285354985 is a deficient number, since it is larger than the sum of its proper divisors (5668927575).
8285354985 is a wasteful number, since it uses less digits than its factorization.
8285354985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29071448.
The product of its digits is 13824000, while the sum is 57.
The square root of 8285354985 is about 91023.9253438347. The cubic root of 8285354985 is about 2023.5023207334.
The spelling of 8285354985 in words is "eight billion, two hundred eighty-five million, three hundred fifty-four thousand, nine hundred eighty-five".
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