Base | Representation |
---|---|
bin | 10010110100000001… |
… | …101001100000010010 |
3 | 1221010210020111022100 |
4 | 102310001221200102 |
5 | 312332222401320 |
6 | 13140240221230 |
7 | 1313402603661 |
oct | 226401514022 |
9 | 57123214270 |
10 | 20200200210 |
11 | 8626539443 |
12 | 3ab900a816 |
13 | 1b9c0020b8 |
14 | d98b1add8 |
15 | 7d3614790 |
hex | 4b4069812 |
20200200210 has 48 divisors (see below), whose sum is σ = 53801518680. Its totient is φ = 5255335680.
The previous prime is 20200200197. The next prime is 20200200217. The reversal of 20200200210 is 1200200202.
It can be written as a sum of positive squares in 4 ways, for example, as 4507376769 + 15692823441 = 67137^2 + 125271^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 20200200192 and 20200200201.
It is not an unprimeable number, because it can be changed into a prime (20200200217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2733465 + ... + 2740844.
Almost surely, 220200200210 is an apocalyptic number.
20200200210 is an abundant number, since it is smaller than the sum of its proper divisors (33601318470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200200210 is a wasteful number, since it uses less digits than its factorization.
20200200210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5474363 (or 5474360 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
Adding to 20200200210 its reverse (1200200202), we get a palindrome (21400400412).
The spelling of 20200200210 in words is "twenty billion, two hundred million, two hundred thousand, two hundred ten".
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