Base | Representation |
---|---|
bin | 11001001001111… |
… | …00110101000101 |
3 | 112201001120022211 |
4 | 30210330311011 |
5 | 413004403213 |
6 | 32534423421 |
7 | 5141403025 |
oct | 1444746505 |
9 | 481046284 |
10 | 211012933 |
11 | a912515a |
12 | 5a801b71 |
13 | 34941c31 |
14 | 2004ba85 |
15 | 137d253d |
hex | c93cd45 |
211012933 has 2 divisors, whose sum is σ = 211012934. Its totient is φ = 211012932.
The previous prime is 211012931. The next prime is 211012957. The reversal of 211012933 is 339210112.
211012933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 171662404 + 39350529 = 13102^2 + 6273^2 .
It is a cyclic number.
It is not a de Polignac number, because 211012933 - 21 = 211012931 is a prime.
Together with 211012931, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (211012931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506466 + 105506467.
It is an arithmetic number, because the mean of its divisors is an integer number (105506467).
Almost surely, 2211012933 is an apocalyptic number.
It is an amenable number.
211012933 is a deficient number, since it is larger than the sum of its proper divisors (1).
211012933 is an equidigital number, since it uses as much as digits as its factorization.
211012933 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 211012933 is about 14526.2842117315. The cubic root of 211012933 is about 595.3463445045.
The spelling of 211012933 in words is "two hundred eleven million, twelve thousand, nine hundred thirty-three".
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