Base | Representation |
---|---|
bin | 111111011100011… |
… | …1001111111101000 |
3 | 12111100210121211200 |
4 | 1332320321333220 |
5 | 13324441044244 |
6 | 551124324200 |
7 | 103516620336 |
oct | 17670717750 |
9 | 5440717750 |
10 | 2128846824 |
11 | 9a2751145 |
12 | 4b4b43660 |
13 | 27c07aca0 |
14 | 162a38b56 |
15 | c6d64669 |
hex | 7ee39fe8 |
2128846824 has 48 divisors (see below), whose sum is σ = 6209139300. Its totient is φ = 655029504.
The previous prime is 2128846807. The next prime is 2128846847. The reversal of 2128846824 is 4286488212.
It can be written as a sum of positive squares in 2 ways, for example, as 2093062500 + 35784324 = 45750^2 + 5982^2 .
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 2128846824.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1136269 + ... + 1138140.
Almost surely, 22128846824 is an apocalyptic number.
2128846824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2128846824 is an abundant number, since it is smaller than the sum of its proper divisors (4080292476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128846824 is a wasteful number, since it uses less digits than its factorization.
2128846824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2274434 (or 2274427 counting only the distinct ones).
The product of its digits is 393216, while the sum is 45.
The square root of 2128846824 is about 46139.4280848820. The cubic root of 2128846824 is about 1286.4161133767.
The spelling of 2128846824 in words is "two billion, one hundred twenty-eight million, eight hundred forty-six thousand, eight hundred twenty-four".
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