Base | Representation |
---|---|
bin | 111111001111111… |
… | …1110011010100010 |
3 | 12110220111120211100 |
4 | 1332133332122202 |
5 | 13321302430310 |
6 | 550332255230 |
7 | 103410230406 |
oct | 17637763242 |
9 | 5426446740 |
10 | 2122311330 |
11 | 999a97a07 |
12 | 4b2911516 |
13 | 27a900329 |
14 | 161c17106 |
15 | c64c2ec0 |
hex | 7e7fe6a2 |
2122311330 has 48 divisors (see below), whose sum is σ = 5622135480. Its totient is φ = 555270144.
The previous prime is 2122311307. The next prime is 2122311349. The reversal of 2122311330 is 331132212.
2122311330 is a `hidden beast` number, since 2 + 1 + 22 + 311 + 330 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2119773681 + 2537649 = 46041^2 + 1593^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217695 + ... + 227234.
Almost surely, 22122311330 is an apocalyptic number.
2122311330 is an abundant number, since it is smaller than the sum of its proper divisors (3499824150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122311330 is a wasteful number, since it uses less digits than its factorization.
2122311330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 444995 (or 444992 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2122311330 is about 46068.5503353427. The cubic root of 2122311330 is about 1285.0983447067.
Adding to 2122311330 its reverse (331132212), we get a palindrome (2453443542).
The spelling of 2122311330 in words is "two billion, one hundred twenty-two million, three hundred eleven thousand, three hundred thirty".
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