Base | Representation |
---|---|
bin | 1001100110000111111000… |
… | …10010101010110001111000 |
3 | 2202201020122210011022210011 |
4 | 10303003330102222301320 |
5 | 10231210034200011300 |
6 | 112513414520031304 |
7 | 4305335141361133 |
oct | 463037422526170 |
9 | 82636583138704 |
10 | 21101112110200 |
11 | 67a5a27754971 |
12 | 2449653902534 |
13 | ba0a985bcb85 |
14 | 52d4292d721a |
15 | 268d4d2b0eba |
hex | 1330fc4aac78 |
21101112110200 has 48 divisors (see below), whose sum is σ = 49494245759280. Its totient is φ = 8365750632960.
The previous prime is 21101112110189. The next prime is 21101112110207. The reversal of 21101112110200 is 201121110112.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21101112110207) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466816164 + ... + 466861363.
It is an arithmetic number, because the mean of its divisors is an integer number (1031130119985).
Almost surely, 221101112110200 is an apocalyptic number.
21101112110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21101112110200 is an abundant number, since it is smaller than the sum of its proper divisors (28393133649080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21101112110200 is a wasteful number, since it uses less digits than its factorization.
21101112110200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 933677656 (or 933677647 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 21101112110200 its reverse (201121110112), we get a palindrome (21302233220312).
The spelling of 21101112110200 in words is "twenty-one trillion, one hundred one billion, one hundred twelve million, one hundred ten thousand, two hundred".
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