Base | Representation |
---|---|
bin | 10010110100101110… |
… | …101010110110100011 |
3 | 1221011121110002121111 |
4 | 102310232222312203 |
5 | 312343233032321 |
6 | 13141341204151 |
7 | 1313605120102 |
oct | 226456526643 |
9 | 57147402544 |
10 | 20212002211 |
11 | 863216a465 |
12 | 3b00b60657 |
13 | 1ba15a4c2b |
14 | d9a510039 |
15 | 7d46965e1 |
hex | 4b4baada3 |
20212002211 has 8 divisors (see below), whose sum is σ = 20303735184. Its totient is φ = 20120371200.
The previous prime is 20212002199. The next prime is 20212002227. The reversal of 20212002211 is 11220021202.
It is a happy number.
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 20212002211 - 25 = 20212002179 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20212002191 and 20212002200.
It is not an unprimeable number, because it can be changed into a prime (20212002611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386896 + ... + 436018.
It is an arithmetic number, because the mean of its divisors is an integer number (2537966898).
Almost surely, 220212002211 is an apocalyptic number.
20212002211 is a deficient number, since it is larger than the sum of its proper divisors (91732973).
20212002211 is a wasteful number, since it uses less digits than its factorization.
20212002211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50981.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20212002211 its reverse (11220021202), we get a palindrome (31432023413).
The spelling of 20212002211 in words is "twenty billion, two hundred twelve million, two thousand, two hundred eleven".
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