Base | Representation |
---|---|
bin | 1100010110010000011… |
… | …1010010100011010100 |
3 | 202021112220201110211121 |
4 | 3011210013102203110 |
5 | 11433422023430400 |
6 | 241241431013324 |
7 | 21216566001415 |
oct | 3054407224324 |
9 | 667486643747 |
10 | 212133030100 |
11 | 81a68624302 |
12 | 35142b0a244 |
13 | 17008bc0724 |
14 | a3a564b80c |
15 | 57b872121a |
hex | 31641d28d4 |
212133030100 has 36 divisors (see below), whose sum is σ = 462254788800. Its totient is φ = 84498168160.
The previous prime is 212133030089. The next prime is 212133030127. The reversal of 212133030100 is 1030331212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4414030 + ... + 4461829.
It is an arithmetic number, because the mean of its divisors is an integer number (12840410800).
Almost surely, 2212133030100 is an apocalyptic number.
212133030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212133030100 is an abundant number, since it is smaller than the sum of its proper divisors (250121758700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212133030100 is a wasteful number, since it uses less digits than its factorization.
212133030100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8876112 (or 8876105 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 212133030100 its reverse (1030331212), we get a palindrome (213163361312).
The spelling of 212133030100 in words is "two hundred twelve billion, one hundred thirty-three million, thirty thousand, one hundred".
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