Base | Representation |
---|---|
bin | 1100010101110011011… |
… | …0001101011100010011 |
3 | 202021020102022101221020 |
4 | 3011130312031130103 |
5 | 11433144321042321 |
6 | 241221353530523 |
7 | 21213555501603 |
oct | 3053466153423 |
9 | 667212271836 |
10 | 212011112211 |
11 | 81a05822618 |
12 | 3510a113a43 |
13 | 16cb9874872 |
14 | a393392c03 |
15 | 57acb8c4c6 |
hex | 315cd8d713 |
212011112211 has 8 divisors (see below), whose sum is σ = 284021206464. Its totient is φ = 140670879720.
The previous prime is 212011112207. The next prime is 212011112221. The reversal of 212011112211 is 112211110212.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212011112211 - 22 = 212011112207 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212011112221) 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, 167464701 + ... + 167465966.
It is an arithmetic number, because the mean of its divisors is an integer number (35502650808).
Almost surely, 2212011112211 is an apocalyptic number.
212011112211 is a deficient number, since it is larger than the sum of its proper divisors (72010094253).
212011112211 is a wasteful number, since it uses less digits than its factorization.
212011112211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334930881.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 212011112211 its reverse (112211110212), we get a palindrome (324222222423).
The spelling of 212011112211 in words is "two hundred twelve billion, eleven million, one hundred twelve thousand, two hundred eleven".
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