Base | Representation |
---|---|
bin | 110000001111111100101110… |
… | …000000101010101011010011 |
3 | 1000211100100000122102102222210 |
4 | 300033330232000222223103 |
5 | 210303210122101321321 |
6 | 2031152204332003203 |
7 | 62461050600436260 |
oct | 6017745600525323 |
9 | 1024310018372883 |
10 | 212202221120211 |
11 | 616835027a3893 |
12 | 1b972266600503 |
13 | 91537781b553a |
14 | 3a588dc69c267 |
15 | 197ed00423b76 |
hex | c0ff2e02aad3 |
212202221120211 has 8 divisors (see below), whose sum is σ = 323355765516544. Its totient is φ = 121258412068680.
The previous prime is 212202221120209. The next prime is 212202221120237. The reversal of 212202221120211 is 112021122202212.
212202221120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212202221120211 - 21 = 212202221120209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10104867672391 = 212202221120211 / (2 + 1 + 2 + 2 + 0 + 2 + 2 + 2 + 1 + 1 + 2 + 0 + 2 + 1 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212202221120311) 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, 5052433836175 + ... + 5052433836216.
It is an arithmetic number, because the mean of its divisors is an integer number (40419470689568).
Almost surely, 2212202221120211 is an apocalyptic number.
212202221120211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
212202221120211 is a deficient number, since it is larger than the sum of its proper divisors (111153544396333).
212202221120211 is a wasteful number, since it uses less digits than its factorization.
212202221120211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10104867672401.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 212202221120211 its reverse (112021122202212), we get a palindrome (324223343322423).
The spelling of 212202221120211 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred eleven".
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