Base | Representation |
---|---|
bin | 10010110100101011… |
… | …010001100100001000 |
3 | 1221011112202212202010 |
4 | 102310223101210020 |
5 | 312343021042300 |
6 | 13141310135520 |
7 | 1313564422236 |
oct | 226453214410 |
9 | 57145685663 |
10 | 20211112200 |
11 | 8631711814 |
12 | 3b007b15a0 |
13 | 1ba1352ab6 |
14 | d9a35b956 |
15 | 7d456ca50 |
hex | 4b4ad1908 |
20211112200 has 96 divisors (see below), whose sum is σ = 63209124000. Its totient is φ = 5341916160.
The previous prime is 20211112151. The next prime is 20211112297. The reversal of 20211112200 is 221111202.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81250 + ... + 216849.
It is an arithmetic number, because the mean of its divisors is an integer number (658428375).
Almost surely, 220211112200 is an apocalyptic number.
20211112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20211112200 is an abundant number, since it is smaller than the sum of its proper divisors (42998011800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20211112200 is a wasteful number, since it uses less digits than its factorization.
20211112200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298231 (or 298222 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 20211112200 its reverse (221111202), we get a palindrome (20432223402).
The spelling of 20211112200 in words is "twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred".
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