Base | Representation |
---|---|
bin | 1100010110100000011… |
… | …1100110100110101100 |
3 | 202021201121011010120011 |
4 | 3011220013212212230 |
5 | 11434041224033400 |
6 | 241252231103004 |
7 | 21221343055510 |
oct | 3055007464654 |
9 | 667647133504 |
10 | 212200221100 |
11 | 81aa254695a |
12 | 35161511a64 |
13 | 17019ab780a |
14 | a3b053c140 |
15 | 57be5948ba |
hex | 31681e69ac |
212200221100 has 72 divisors (see below), whose sum is σ = 526339277408. Its totient is φ = 72742924800.
The previous prime is 212200221047. The next prime is 212200221131. The reversal of 212200221100 is 1122002212.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5272654 + ... + 5312746.
Almost surely, 2212200221100 is an apocalyptic number.
212200221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212200221100 is an abundant number, since it is smaller than the sum of its proper divisors (314139056308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212200221100 is a wasteful number, since it uses less digits than its factorization.
212200221100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47675 (or 47668 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 212200221100 its reverse (1122002212), we get a palindrome (213322223312).
The spelling of 212200221100 in words is "two hundred twelve billion, two hundred million, two hundred twenty-one thousand, one hundred".
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