Base | Representation |
---|---|
bin | 111111011100100… |
… | …0100000110010100 |
3 | 12111100212201121120 |
4 | 1332321010012110 |
5 | 13324443410322 |
6 | 551125243540 |
7 | 103520152113 |
oct | 17671040624 |
9 | 5440781546 |
10 | 2128888212 |
11 | 9a277a250 |
12 | 4b4b635b0 |
13 | 27c093a89 |
14 | 162a49c7a |
15 | c6d71a5c |
hex | 7ee44194 |
2128888212 has 48 divisors (see below), whose sum is σ = 5704204800. Its totient is φ = 611163360.
The previous prime is 2128888207. The next prime is 2128888241.
2128888212 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421912 + ... + 426927.
It is an arithmetic number, because the mean of its divisors is an integer number (118837600).
Almost surely, 22128888212 is an apocalyptic number.
2128888212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2128888212 is an abundant number, since it is smaller than the sum of its proper divisors (3575316588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128888212 is a wasteful number, since it uses less digits than its factorization.
2128888212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 848876 (or 848874 counting only the distinct ones).
The product of its digits is 65536, while the sum is 42.
The square root of 2128888212 is about 46139.8765928129. The cubic root of 2128888212 is about 1286.4244499473.
The spelling of 2128888212 in words is "two billion, one hundred twenty-eight million, eight hundred eighty-eight thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •