Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …0101010001010010110 |
3 | 202021201122122211022220 |
4 | 3011220022222022112 |
5 | 11434041430201402 |
6 | 241252300203210 |
7 | 21221352633006 |
oct | 3055012521226 |
9 | 667648584286 |
10 | 212201022102 |
11 | 81aa2a43743 |
12 | 35161839506 |
13 | 1701a008294 |
14 | a3b06aa006 |
15 | 57be6a1dbc |
hex | 31682aa296 |
212201022102 has 8 divisors (see below), whose sum is σ = 424402044216. Its totient is φ = 70733674032.
The previous prime is 212201022053. The next prime is 212201022133. The reversal of 212201022102 is 201220102212.
It is a sphenic number, since it is the product of 3 distinct primes.
212201022102 is an admirable number.
It is a super-2 number, since 2×2122010221022 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17683418503 + ... + 17683418514.
It is an arithmetic number, because the mean of its divisors is an integer number (53050255527).
Almost surely, 2212201022102 is an apocalyptic number.
212201022102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212201022102 is a wasteful number, since it uses less digits than its factorization.
212201022102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35366837022.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 212201022102 its reverse (201220102212), we get a palindrome (413421124314).
It can be divided in two parts, 21220102210 and 2, that added together give a palindrome (21220102212).
The spelling of 212201022102 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, one hundred two".
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