Base | Representation |
---|---|
bin | 110000001101010011000010… |
… | …000010110010100110101011 |
3 | 1000210200220201210221222202022 |
4 | 300031103002002302212223 |
5 | 210242214000401024321 |
6 | 2030532353021255055 |
7 | 62441640526061615 |
oct | 6015230202624653 |
9 | 1023626653858668 |
10 | 212020021111211 |
11 | 61613205626355 |
12 | 1b942a9810448b |
13 | 913c52c838521 |
14 | 3a4db76621db5 |
15 | 197a1d99eadab |
hex | c0d4c20b29ab |
212020021111211 has 8 divisors (see below), whose sum is σ = 220188789716544. Its totient is φ = 203998437525960.
The previous prime is 212020021111159. The next prime is 212020021111219. The reversal of 212020021111211 is 112111120020212.
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 212020021111211 - 26 = 212020021111147 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212020021111211.
It is not an unprimeable number, because it can be changed into a prime (212020021111219) 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, 36796252085 + ... + 36796257846.
It is an arithmetic number, because the mean of its divisors is an integer number (27523598714568).
Almost surely, 2212020021111211 is an apocalyptic number.
212020021111211 is a deficient number, since it is larger than the sum of its proper divisors (8168768605333).
212020021111211 is an equidigital number, since it uses as much as digits as its factorization.
212020021111211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73592510041.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 212020021111211 its reverse (112111120020212), we get a palindrome (324131141131423).
The spelling of 212020021111211 in words is "two hundred twelve trillion, twenty billion, twenty-one million, one hundred eleven thousand, two hundred eleven".
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