Base | Representation |
---|---|
bin | 11001001010010… |
… | …10011110000111 |
3 | 112201011101222020 |
4 | 30211022132013 |
5 | 413013200212 |
6 | 32535534223 |
7 | 5142024645 |
oct | 1445123607 |
9 | 481141866 |
10 | 211068807 |
11 | a9163134 |
12 | 5a82a373 |
13 | 349614b1 |
14 | 20064195 |
15 | 137e3d8c |
hex | c94a787 |
211068807 has 4 divisors (see below), whose sum is σ = 281425080. Its totient is φ = 140712536.
The previous prime is 211068749. The next prime is 211068817. The reversal of 211068807 is 708860112.
It is a happy number.
211068807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 211068807 - 26 = 211068743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211068817) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35178132 + ... + 35178137.
It is an arithmetic number, because the mean of its divisors is an integer number (70356270).
Almost surely, 2211068807 is an apocalyptic number.
211068807 is a deficient number, since it is larger than the sum of its proper divisors (70356273).
211068807 is an equidigital number, since it uses as much as digits as its factorization.
211068807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70356272.
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 211068807 is about 14528.2072878934. The cubic root of 211068807 is about 595.3988870124.
The spelling of 211068807 in words is "two hundred eleven million, sixty-eight thousand, eight hundred seven".
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