Base | Representation |
---|---|
bin | 1001001100010000001010… |
… | …00011111011101110011000 |
3 | 2122120021020001002211021221 |
4 | 10212020011003323232120 |
5 | 10122124041424341440 |
6 | 110553205034141424 |
7 | 4154166116613535 |
oct | 446100503735630 |
9 | 78507201084257 |
10 | 20212201012120 |
11 | 6492a455a4227 |
12 | 2325315281874 |
13 | b380052b75c0 |
14 | 4dc3c0923d8c |
15 | 250b74534d4a |
hex | 1262050fbb98 |
20212201012120 has 32 divisors (see below), whose sum is σ = 48975717838320. Its totient is φ = 7462966527360.
The previous prime is 20212201012103. The next prime is 20212201012139. The reversal of 20212201012120 is 2121010221202.
It is a happy number.
It is a super-3 number, since 3×202122010121203 (a number of 41 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20212201012094 and 20212201012103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19434808146 + ... + 19434809185.
Almost surely, 220212201012120 is an apocalyptic number.
20212201012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20212201012120 is an abundant number, since it is smaller than the sum of its proper divisors (28763516826200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212201012120 is a wasteful number, since it uses less digits than its factorization.
20212201012120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38869617355 (or 38869617351 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20212201012120 its reverse (2121010221202), we get a palindrome (22333211233322).
The spelling of 20212201012120 in words is "twenty trillion, two hundred twelve billion, two hundred one million, twelve thousand, one hundred twenty".
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