Base | Representation |
---|---|
bin | 111111011110100… |
… | …1101010000001100 |
3 | 12111102220220102110 |
4 | 1332331031100030 |
5 | 13330233134114 |
6 | 551204424020 |
7 | 103532324364 |
oct | 17675152014 |
9 | 5442826373 |
10 | 2129974284 |
11 | 9a3351229 |
12 | 4b53a8010 |
13 | 27c384219 |
14 | 162c4d9a4 |
15 | c6ed8759 |
hex | 7ef4d40c |
2129974284 has 48 divisors (see below), whose sum is σ = 5021049600. Its totient is φ = 702722496.
The previous prime is 2129974261. The next prime is 2129974321. The reversal of 2129974284 is 4824799212.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597034 + ... + 600590.
It is an arithmetic number, because the mean of its divisors is an integer number (104605200).
Almost surely, 22129974284 is an apocalyptic number.
It is an amenable number.
2129974284 is an abundant number, since it is smaller than the sum of its proper divisors (2891075316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2129974284 is a wasteful number, since it uses less digits than its factorization.
2129974284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4062 (or 4060 counting only the distinct ones).
The product of its digits is 580608, while the sum is 48.
The square root of 2129974284 is about 46151.6444344078. The cubic root of 2129974284 is about 1286.6431731984.
The spelling of 2129974284 in words is "two billion, one hundred twenty-nine million, nine hundred seventy-four thousand, two hundred eighty-four".
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