Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …0101010001100000001 |
3 | 202021201122122211110212 |
4 | 3011220022222030001 |
5 | 11434041430202314 |
6 | 241252300203505 |
7 | 21221352633221 |
oct | 3055012521401 |
9 | 667648584425 |
10 | 212201022209 |
11 | 81aa2a43830 |
12 | 35161839595 |
13 | 1701a008347 |
14 | a3b06aa081 |
15 | 57be6a1e3e |
hex | 31682aa301 |
212201022209 has 8 divisors (see below), whose sum is σ = 232785277920. Its totient is φ = 191832308800.
The previous prime is 212201022203. The next prime is 212201022301. The reversal of 212201022209 is 902220102212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212201022209 - 24 = 212201022193 is a prime.
It is a super-2 number, since 2×2122010222092 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212201022203) 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, 53883512 + ... + 53887449.
It is an arithmetic number, because the mean of its divisors is an integer number (29098159740).
Almost surely, 2212201022209 is an apocalyptic number.
It is an amenable number.
212201022209 is a deficient number, since it is larger than the sum of its proper divisors (20584255711).
212201022209 is a wasteful number, since it uses less digits than its factorization.
212201022209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107771151.
The product of its (nonzero) digits is 576, while the sum is 23.
The spelling of 212201022209 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, two hundred nine".
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