Base | Representation |
---|---|
bin | 1001000110101010100011… |
… | …00000011010111010101100 |
3 | 2121212220122212011220012110 |
4 | 10203111101200122322230 |
5 | 10111002342231120022 |
6 | 110325054005004020 |
7 | 4134261316245006 |
oct | 443252140327254 |
9 | 77786585156173 |
10 | 20020210020012 |
11 | 64195836a3214 |
12 | 22b40739b3610 |
13 | b22b89343667 |
14 | 4d2daa3b3376 |
15 | 24ab8928a00c |
hex | 12355181aeac |
20020210020012 has 24 divisors (see below), whose sum is σ = 48220720909312. Its totient is φ = 6458132264400.
The previous prime is 20020210020011. The next prime is 20020210020071. The reversal of 20020210020012 is 21002001202002.
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 20020210020012.
It is not an unprimeable number, because it can be changed into a prime (20020210020011) 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, 26908884064 + ... + 26908884807.
Almost surely, 220020210020012 is an apocalyptic number.
It is an amenable number.
20020210020012 is an abundant number, since it is smaller than the sum of its proper divisors (28200510889300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020210020012 is a wasteful number, since it uses less digits than its factorization.
20020210020012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53817768909 (or 53817768907 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20020210020012 its reverse (21002001202002), we get a palindrome (41022211222014).
The spelling of 20020210020012 in words is "twenty trillion, twenty billion, two hundred ten million, twenty thousand, twelve".
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