Base | Representation |
---|---|
bin | 1111010101001011… |
… | …00011000101000101 |
3 | 210020121110210210112 |
4 | 13222211203011011 |
5 | 113324023210403 |
6 | 3440420002405 |
7 | 410651421155 |
oct | 75245430505 |
9 | 23217423715 |
10 | 8230678853 |
11 | 3544004931 |
12 | 1718530405 |
13 | a1227c397 |
14 | 581194765 |
15 | 3328b49d8 |
hex | 1ea963145 |
8230678853 has 4 divisors (see below), whose sum is σ = 8238437388. Its totient is φ = 8222920320.
The previous prime is 8230678751. The next prime is 8230678871. The reversal of 8230678853 is 3588760328.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2878000609 + 5352678244 = 53647^2 + 73162^2 .
It is a cyclic number.
It is not a de Polignac number, because 8230678853 - 212 = 8230674757 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8230678873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3877676 + ... + 3879797.
It is an arithmetic number, because the mean of its divisors is an integer number (2059609347).
Almost surely, 28230678853 is an apocalyptic number.
It is an amenable number.
8230678853 is a deficient number, since it is larger than the sum of its proper divisors (7758535).
8230678853 is a wasteful number, since it uses less digits than its factorization.
8230678853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7758534.
The product of its (nonzero) digits is 1935360, while the sum is 50.
The square root of 8230678853 is about 90723.0888638609. The cubic root of 8230678853 is about 2019.0413754352.
The spelling of 8230678853 in words is "eight billion, two hundred thirty million, six hundred seventy-eight thousand, eight hundred fifty-three".
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