Base | Representation |
---|---|
bin | 1010100010010001… |
… | …1000011101111010 |
3 | 21022002120212011100 |
4 | 2220210120131322 |
5 | 21242444002230 |
6 | 1144344112230 |
7 | 130040351520 |
oct | 25044303572 |
9 | 7262525140 |
10 | 2828109690 |
11 | 122143773a |
12 | 66b165676 |
13 | 360bbc9b3 |
14 | 1cb860310 |
15 | 11843d660 |
hex | a891877a |
2828109690 has 96 divisors (see below), whose sum is σ = 8490343680. Its totient is φ = 639747072.
The previous prime is 2828109679. The next prime is 2828109719. The reversal of 2828109690 is 969018282.
It is a super-2 number, since 2×28281096902 = 15996408837343792200, which contains 22 as substring.
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 47 ways as a sum of consecutive naturals, for example, 37971 + ... + 84249.
It is an arithmetic number, because the mean of its divisors is an integer number (88441080).
Almost surely, 22828109690 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2828109690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4245171840).
2828109690 is an abundant number, since it is smaller than the sum of its proper divisors (5662233990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2828109690 is a wasteful number, since it uses less digits than its factorization.
2828109690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46396 (or 46393 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The square root of 2828109690 is about 53179.9745204903. The cubic root of 2828109690 is about 1414.1606546027.
The spelling of 2828109690 in words is "two billion, eight hundred twenty-eight million, one hundred nine thousand, six hundred ninety".
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