Base | Representation |
---|---|
bin | 1111010010100110… |
… | …01011001100001001 |
3 | 210012002211201212100 |
4 | 13221103023030021 |
5 | 113303011211233 |
6 | 3434325104013 |
7 | 410300033661 |
oct | 75123131411 |
9 | 23162751770 |
10 | 8209085193 |
11 | 35328a6231 |
12 | 1711258009 |
13 | a0a95b77a |
14 | 57c3731a1 |
15 | 330a4b813 |
hex | 1e94cb309 |
8209085193 has 24 divisors (see below), whose sum is σ = 11897080832. Its totient is φ = 5454524448.
The previous prime is 8209085191. The next prime is 8209085201. The reversal of 8209085193 is 3915809028.
It is a happy number.
8209085193 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8209085193 - 21 = 8209085191 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8209085191) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4935480 + ... + 4937142.
Almost surely, 28209085193 is an apocalyptic number.
It is an amenable number.
8209085193 is a deficient number, since it is larger than the sum of its proper divisors (3687995639).
8209085193 is a wasteful number, since it uses less digits than its factorization.
8209085193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3165 (or 3162 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The square root of 8209085193 is about 90604.0020804821. The cubic root of 8209085193 is about 2017.2741386067.
The spelling of 8209085193 in words is "eight billion, two hundred nine million, eighty-five thousand, one hundred ninety-three".
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