Base | Representation |
---|---|
bin | 1001001001100100110010… |
… | …11000101110111010010000 |
3 | 2122020110202100100221112121 |
4 | 10210302121120232322100 |
5 | 10114122132223241422 |
6 | 110443031541504024 |
7 | 4144431213664030 |
oct | 444623130567220 |
9 | 78213670327477 |
10 | 20120200212112 |
11 | 6457a2453a510 |
12 | 230b51a412014 |
13 | b2c432acaac0 |
14 | 4d7b73ddd8c0 |
15 | 24d58c6d88c7 |
hex | 124c9962ee90 |
20120200212112 has 80 divisors (see below), whose sum is σ = 52340660733312. Its totient is φ = 7236036034560.
The previous prime is 20120200212107. The next prime is 20120200212131. The reversal of 20120200212112 is 21121200202102.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628112113 + ... + 628144144.
Almost surely, 220120200212112 is an apocalyptic number.
20120200212112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20120200212112 is an abundant number, since it is smaller than the sum of its proper divisors (32220460521200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120200212112 is a wasteful number, since it uses less digits than its factorization.
20120200212112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1256256296 (or 1256256290 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20120200212112 its reverse (21121200202102), we get a palindrome (41241400414214).
The spelling of 20120200212112 in words is "twenty trillion, one hundred twenty billion, two hundred million, two hundred twelve thousand, one hundred twelve".
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