Base | Representation |
---|---|
bin | 11001001010010… |
… | …11000101000111 |
3 | 112201011112101200 |
4 | 30211023011013 |
5 | 413013240203 |
6 | 32535553543 |
7 | 5142035142 |
oct | 1445130507 |
9 | 481145350 |
10 | 211071303 |
11 | a9164aa3 |
12 | 5a82b8b3 |
13 | 34962681 |
14 | 20065059 |
15 | 137e49a3 |
hex | c94b147 |
211071303 has 24 divisors (see below), whose sum is σ = 325857168. Its totient is φ = 131188992.
The previous prime is 211071283. The next prime is 211071307. The reversal of 211071303 is 303170112.
It is a de Polignac number, because none of the positive numbers 2k-211071303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211071307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9925 + ... + 22817.
It is an arithmetic number, because the mean of its divisors is an integer number (13577382).
Almost surely, 2211071303 is an apocalyptic number.
211071303 is a deficient number, since it is larger than the sum of its proper divisors (114785865).
211071303 is a wasteful number, since it uses less digits than its factorization.
211071303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13023 (or 13020 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 18.
The square root of 211071303 is about 14528.2931894975. The cubic root of 211071303 is about 595.4012339718.
The spelling of 211071303 in words is "two hundred eleven million, seventy-one thousand, three hundred three".
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