Base | Representation |
---|---|
bin | 110000000010111… |
… | …110000110010001 |
3 | 2002011210100202100 |
4 | 300002332012101 |
5 | 3122324210014 |
6 | 211553111013 |
7 | 25655416032 |
oct | 6002760621 |
9 | 2064710670 |
10 | 806085009 |
11 | 384017664 |
12 | 1a5b58469 |
13 | cb0037a2 |
14 | 790b0a89 |
15 | 4ab7a009 |
hex | 300be191 |
806085009 has 12 divisors (see below), whose sum is σ = 1191423376. Its totient is φ = 524892312.
The previous prime is 806085001. The next prime is 806085029. The reversal of 806085009 is 900580608.
It is not a de Polignac number, because 806085009 - 23 = 806085001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (806085001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041067 + ... + 1041840.
Almost surely, 2806085009 is an apocalyptic number.
It is an amenable number.
806085009 is a deficient number, since it is larger than the sum of its proper divisors (385338367).
806085009 is a wasteful number, since it uses less digits than its factorization.
806085009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2082956 (or 2082953 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 806085009 is about 28391.6362508398. The cubic root of 806085009 is about 930.6655000737.
The spelling of 806085009 in words is "eight hundred six million, eighty-five thousand, nine".
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