Base | Representation |
---|---|
bin | 10111111101100… |
… | …11100000101011 |
3 | 112000020112101201 |
4 | 23332303200223 |
5 | 402424411131 |
6 | 31540225031 |
7 | 4660404403 |
oct | 1376634053 |
9 | 460215351 |
10 | 201013291 |
11 | a3515296 |
12 | 5739b177 |
13 | 3285059b |
14 | 1c9a7803 |
15 | 129a9761 |
hex | bfb382b |
201013291 has 2 divisors, whose sum is σ = 201013292. Its totient is φ = 201013290.
The previous prime is 201013279. The next prime is 201013349. The reversal of 201013291 is 192310102.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 201013291 - 213 = 201005099 is a prime.
It is not a weakly prime, because it can be changed into another prime (201013231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506645 + 100506646.
It is an arithmetic number, because the mean of its divisors is an integer number (100506646).
Almost surely, 2201013291 is an apocalyptic number.
201013291 is a deficient number, since it is larger than the sum of its proper divisors (1).
201013291 is an equidigital number, since it uses as much as digits as its factorization.
201013291 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 201013291 is about 14177.9156084384. The cubic root of 201013291 is about 585.7895113516.
Adding to 201013291 its reverse (192310102), we get a palindrome (393323393).
The spelling of 201013291 in words is "two hundred one million, thirteen thousand, two hundred ninety-one".
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