Base | Representation |
---|---|
bin | 10010110100000101… |
… | …100000000101100100 |
3 | 1221010212010210202211 |
4 | 102310011200011210 |
5 | 312333002211322 |
6 | 13140314013204 |
7 | 1313414311411 |
oct | 226405400544 |
9 | 57125123684 |
10 | 20201210212 |
11 | 8627069257 |
12 | 3ab9417204 |
13 | 1b9c296a31 |
14 | d98d01108 |
15 | 7d3763b77 |
hex | 4b4160164 |
20201210212 has 12 divisors (see below), whose sum is σ = 35354131120. Its totient is φ = 10100029896.
The previous prime is 20201210207. The next prime is 20201210213. The reversal of 20201210212 is 21201210202.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20201210192 and 20201210201.
It is not an unprimeable number, because it can be changed into a prime (20201210213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59262 + ... + 209557.
Almost surely, 220201210212 is an apocalyptic number.
It is an amenable number.
20201210212 is a deficient number, since it is larger than the sum of its proper divisors (15152920908).
20201210212 is a wasteful number, since it uses less digits than its factorization.
20201210212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287610 (or 287608 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20201210212 its reverse (21201210202), we get a palindrome (41402420414).
The spelling of 20201210212 in words is "twenty billion, two hundred one million, two hundred ten thousand, two hundred twelve".
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