Base | Representation |
---|---|
bin | 1010101100001110… |
… | …0010010110101000 |
3 | 21102000002112011000 |
4 | 2223003202112220 |
5 | 21334134043310 |
6 | 1152434235000 |
7 | 131055106314 |
oct | 25303422650 |
9 | 7360075130 |
10 | 2869831080 |
11 | 1242a43626 |
12 | 681125a60 |
13 | 369739bcc |
14 | 1d3200b44 |
15 | 11be304c0 |
hex | ab0e25a8 |
2869831080 has 128 divisors (see below), whose sum is σ = 9799574400. Its totient is φ = 746611200.
The previous prime is 2869831031. The next prime is 2869831091. The reversal of 2869831080 is 801389682.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 11875 + ... + 76685.
It is an arithmetic number, because the mean of its divisors is an integer number (76559175).
Almost surely, 22869831080 is an apocalyptic number.
2869831080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2869831080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4899787200).
2869831080 is an abundant number, since it is smaller than the sum of its proper divisors (6929743320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2869831080 is a wasteful number, since it uses less digits than its factorization.
2869831080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64872 (or 64862 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 2869831080 is about 53570.8043620777. The cubic root of 2869831080 is about 1421.0808209873.
The spelling of 2869831080 in words is "two billion, eight hundred sixty-nine million, eight hundred thirty-one thousand, eighty".
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