Base | Representation |
---|---|
bin | 11001001010010… |
… | …10011101110101 |
3 | 112201011101221120 |
4 | 30211022131311 |
5 | 413013200124 |
6 | 32535534153 |
7 | 5142024621 |
oct | 1445123565 |
9 | 481141846 |
10 | 211068789 |
11 | a9163118 |
12 | 5a82a359 |
13 | 34961499 |
14 | 20064181 |
15 | 137e3d79 |
hex | c94a775 |
211068789 has 8 divisors (see below), whose sum is σ = 281605152. Its totient is φ = 140622480.
The previous prime is 211068749. The next prime is 211068817. The reversal of 211068789 is 987860112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 211068789 - 219 = 210544501 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 211068789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211068749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16839 + ... + 26564.
It is an arithmetic number, because the mean of its divisors is an integer number (35200644).
Almost surely, 2211068789 is an apocalyptic number.
It is an amenable number.
211068789 is a deficient number, since it is larger than the sum of its proper divisors (70536363).
211068789 is a wasteful number, since it uses less digits than its factorization.
211068789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45027.
The product of its (nonzero) digits is 48384, while the sum is 42.
The square root of 211068789 is about 14528.2066684089. The cubic root of 211068789 is about 595.3988700871.
The spelling of 211068789 in words is "two hundred eleven million, sixty-eight thousand, seven hundred eighty-nine".
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