Base | Representation |
---|---|
bin | 1010100100101010… |
… | …0110111011010010 |
3 | 21022210102221222020 |
4 | 2221022212323102 |
5 | 21303030133021 |
6 | 1145342552310 |
7 | 130221465420 |
oct | 25112467322 |
9 | 7283387866 |
10 | 2838130386 |
11 | 1227061403 |
12 | 672598696 |
13 | 362cbaac0 |
14 | 1ccd0c110 |
15 | 11926c7c6 |
hex | a92a6ed2 |
2838130386 has 64 divisors (see below), whose sum is σ = 7070450688. Its totient is φ = 739487808.
The previous prime is 2838130369. The next prime is 2838130397. The reversal of 2838130386 is 6830318382.
2838130386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14005 + ... + 76631.
It is an arithmetic number, because the mean of its divisors is an integer number (110475792).
Almost surely, 22838130386 is an apocalyptic number.
2838130386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2838130386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3535225344).
2838130386 is an abundant number, since it is smaller than the sum of its proper divisors (4232320302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2838130386 is a wasteful number, since it uses less digits than its factorization.
2838130386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62735.
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 2838130386 is about 53274.1061492354. The cubic root of 2838130386 is about 1415.8289267536.
The spelling of 2838130386 in words is "two billion, eight hundred thirty-eight million, one hundred thirty thousand, three hundred eighty-six".
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