Base | Representation |
---|---|
bin | 1010100010011100… |
… | …0111110010100001 |
3 | 21022010221100020100 |
4 | 2220213013302201 |
5 | 21243134442214 |
6 | 1144411333013 |
7 | 130046432253 |
oct | 25047076241 |
9 | 7263840210 |
10 | 2828827809 |
11 | 1221888225 |
12 | 66b451169 |
13 | 3610b1812 |
14 | 1cb9a9cd3 |
15 | 118531309 |
hex | a89c7ca1 |
2828827809 has 24 divisors (see below), whose sum is σ = 4128859904. Its totient is φ = 1866240000.
The previous prime is 2828827789. The next prime is 2828827811. The reversal of 2828827809 is 9087288282.
It is not a de Polignac number, because 2828827809 - 28 = 2828827553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2828827819) 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, 364449 + ... + 372129.
Almost surely, 22828827809 is an apocalyptic number.
It is an amenable number.
2828827809 is a deficient number, since it is larger than the sum of its proper divisors (1300032095).
2828827809 is a wasteful number, since it uses less digits than its factorization.
2828827809 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8109 (or 8106 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 54.
The square root of 2828827809 is about 53186.7258721572. The cubic root of 2828827809 is about 1414.2803399289.
The spelling of 2828827809 in words is "two billion, eight hundred twenty-eight million, eight hundred twenty-seven thousand, eight hundred nine".
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