Base | Representation |
---|---|
bin | 101101101111111111100111… |
… | …001101111010110001011011 |
3 | 222101102111201122012122211122 |
4 | 231233333213031322301123 |
5 | 202333112003244214321 |
6 | 1551534410110515455 |
7 | 60244646425410425 |
oct | 5557774715726133 |
9 | 871374648178748 |
10 | 201210212101211 |
11 | 59125854212205 |
12 | 1a697a78b05b8b |
13 | 8837070497411 |
14 | 37988aa523815 |
15 | 183de155828ab |
hex | b6ffe737ac5b |
201210212101211 has 8 divisors (see below), whose sum is σ = 222308981145504. Its totient is φ = 181140651303040.
The previous prime is 201210212101147. The next prime is 201210212101253. The reversal of 201210212101211 is 112101212012102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 201210212101211 - 26 = 201210212101147 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 201210212101211.
It is not an unprimeable number, because it can be changed into a prime (201210212101291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257302061120 + ... + 257302061901.
It is an arithmetic number, because the mean of its divisors is an integer number (27788622643188).
Almost surely, 2201210212101211 is an apocalyptic number.
201210212101211 is a deficient number, since it is larger than the sum of its proper divisors (21098769044293).
201210212101211 is a wasteful number, since it uses less digits than its factorization.
201210212101211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 514604123061.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 201210212101211 its reverse (112101212012102), we get a palindrome (313311424113313).
The spelling of 201210212101211 in words is "two hundred one trillion, two hundred ten billion, two hundred twelve million, one hundred one thousand, two hundred eleven".
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