Base | Representation |
---|---|
bin | 10111111101100… |
… | …01100010011011 |
3 | 112000020010022110 |
4 | 23332301202123 |
5 | 402424131321 |
6 | 31540123403 |
7 | 4660342011 |
oct | 1376614233 |
9 | 460203273 |
10 | 201005211 |
11 | a350a210 |
12 | 57396563 |
13 | 328499c4 |
14 | 1c9a48b1 |
15 | 129a7176 |
hex | bfb189b |
201005211 has 16 divisors (see below), whose sum is σ = 305084160. Its totient is φ = 116524320.
The previous prime is 201005183. The next prime is 201005219. The reversal of 201005211 is 112500102.
It is not a de Polignac number, because 201005211 - 25 = 201005179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201005219) 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 in 15 ways as a sum of consecutive naturals, for example, 131656 + ... + 133173.
It is an arithmetic number, because the mean of its divisors is an integer number (19067760).
Almost surely, 2201005211 is an apocalyptic number.
201005211 is a deficient number, since it is larger than the sum of its proper divisors (104078949).
201005211 is a wasteful number, since it uses less digits than its factorization.
201005211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264866.
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 201005211 is about 14177.6306553669. The cubic root of 201005211 is about 585.7816623803.
Adding to 201005211 its reverse (112500102), we get a palindrome (313505313).
The spelling of 201005211 in words is "two hundred one million, five thousand, two hundred eleven".
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