Base | Representation |
---|---|
bin | 10110011000111010… |
… | …11101101000011010 |
3 | 1011000201010221112110 |
4 | 23030131131220122 |
5 | 144104133211302 |
6 | 5304430453150 |
7 | 603605046420 |
oct | 131435355032 |
9 | 34021127473 |
10 | 12020210202 |
11 | 5109105920 |
12 | 23b56641b6 |
13 | 11973bc820 |
14 | 82059d110 |
15 | 4a5413b6c |
hex | 2cc75da1a |
12020210202 has 128 divisors (see below), whose sum is σ = 33151039488. Its totient is φ = 2804025600.
The previous prime is 12020210201. The next prime is 12020210273. The reversal of 12020210202 is 20201202021.
It is not an unprimeable number, because it can be changed into a prime (12020210201) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195177 + ... + 249267.
It is an arithmetic number, because the mean of its divisors is an integer number (258992496).
Almost surely, 212020210202 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12020210202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16575519744).
12020210202 is an abundant number, since it is smaller than the sum of its proper divisors (21130829286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12020210202 is a wasteful number, since it uses less digits than its factorization.
12020210202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54164.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 12020210202 its reverse (20201202021), we get a palindrome (32221412223).
It can be divided in two parts, 12020 and 210202, that added together give a palindrome (222222).
The spelling of 12020210202 in words is "twelve billion, twenty million, two hundred ten thousand, two hundred two".
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