Base | Representation |
---|---|
bin | 1100010110001000101… |
… | …0011100100100011100 |
3 | 202021110122010202212200 |
4 | 3011202022130210130 |
5 | 11433340134200012 |
6 | 241234301331500 |
7 | 21216020554464 |
oct | 3054212344434 |
9 | 667418122780 |
10 | 212100303132 |
11 | 81a51101023 |
12 | 35133b66b90 |
13 | 170021a2463 |
14 | a3a116cba4 |
15 | 57b59093dc |
hex | 316229c91c |
212100303132 has 36 divisors (see below), whose sum is σ = 541347708720. Its totient is φ = 70013691072.
The previous prime is 212100303109. The next prime is 212100303133. The reversal of 212100303132 is 231303001212.
212100303132 is a `hidden beast` number, since 21 + 210 + 0 + 303 + 132 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212100303133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28596657 + ... + 28604072.
Almost surely, 2212100303132 is an apocalyptic number.
It is an amenable number.
212100303132 is an abundant number, since it is smaller than the sum of its proper divisors (329247405588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212100303132 is a wasteful number, since it uses less digits than its factorization.
212100303132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57200842 (or 57200837 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 212100303132 its reverse (231303001212), we get a palindrome (443403304344).
The spelling of 212100303132 in words is "two hundred twelve billion, one hundred million, three hundred three thousand, one hundred thirty-two".
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