Base | Representation |
---|---|
bin | 1001110111100110… |
… | …0111110100100110 |
3 | 20211121210122202101 |
4 | 2131321213310212 |
5 | 20411134100410 |
6 | 1114512002314 |
7 | 122435134630 |
oct | 23571476446 |
9 | 6747718671 |
10 | 2649128230 |
11 | 113a400281 |
12 | 61b23039a |
13 | 332ab45c8 |
14 | 1b1b8da50 |
15 | 107886d3a |
hex | 9de67d26 |
2649128230 has 16 divisors (see below), whose sum is σ = 5449635360. Its totient is φ = 908272512.
The previous prime is 2649128227. The next prime is 2649128231. The reversal of 2649128230 is 328219462.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2649128230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2649128231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18922275 + ... + 18922414.
It is an arithmetic number, because the mean of its divisors is an integer number (340602210).
Almost surely, 22649128230 is an apocalyptic number.
2649128230 is an abundant number, since it is smaller than the sum of its proper divisors (2800507130).
2649128230 is a wasteful number, since it uses less digits than its factorization.
2649128230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37844703.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 2649128230 is about 51469.6826296802. The cubic root of 2649128230 is about 1383.6757411772.
The spelling of 2649128230 in words is "two billion, six hundred forty-nine million, one hundred twenty-eight thousand, two hundred thirty".
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