Base | Representation |
---|---|
bin | 1001000110010111111001… |
… | …11110111011100010101100 |
3 | 2121211221211101100211010210 |
4 | 10203023330332323202230 |
5 | 10110321343204120022 |
6 | 110320320534502420 |
7 | 4133455313533311 |
oct | 443137476734254 |
9 | 77757741324123 |
10 | 20010202020012 |
11 | 6415308414736 |
12 | 22b2140204a10 |
13 | b21c52ab4a79 |
14 | 4d26db16ad08 |
15 | 24a7a084ba0c |
hex | 1232fcfbb8ac |
20010202020012 has 24 divisors (see below), whose sum is σ = 46691864858800. Its totient is φ = 6669868271616.
The previous prime is 20010202019999. The next prime is 20010202020013. The reversal of 20010202020012 is 21002020201002.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a self number, because there is not a number n which added to its sum of digits gives 20010202020012.
It is not an unprimeable number, because it can be changed into a prime (20010202020013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24464437 + ... + 25269132.
Almost surely, 220010202020012 is an apocalyptic number.
It is an amenable number.
20010202020012 is an abundant number, since it is smaller than the sum of its proper divisors (26681662838788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010202020012 is a wasteful number, since it uses less digits than its factorization.
20010202020012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49767105 (or 49767103 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20010202020012 its reverse (21002020201002), we get a palindrome (41012222221014).
The spelling of 20010202020012 in words is "twenty trillion, ten billion, two hundred two million, twenty thousand, twelve".
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