Base | Representation |
---|---|
bin | 110010010011000100110000… |
… | …111110010110000110011100 |
3 | 1002000020202201010202222200212 |
4 | 302103010300332112012130 |
5 | 212443323423212332200 |
6 | 2102251522324511552 |
7 | 64411056066221231 |
oct | 6223046076260634 |
9 | 1060222633688625 |
10 | 221213112230300 |
11 | 64537a54927143 |
12 | 209886bb84b5b8 |
13 | 96583cb565868 |
14 | 3c8aab39cb788 |
15 | 1a893d9d31035 |
hex | c93130f9619c |
221213112230300 has 144 divisors (see below), whose sum is σ = 493493085483552. Its totient is φ = 86024012928000.
The previous prime is 221213112230287. The next prime is 221213112230381. The reversal of 221213112230300 is 3032211312122.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1004030150 + ... + 1004250450.
It is an arithmetic number, because the mean of its divisors is an integer number (3427035315858).
Almost surely, 2221213112230300 is an apocalyptic number.
221213112230300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 221213112230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246746542741776).
221213112230300 is an abundant number, since it is smaller than the sum of its proper divisors (272279973253252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221213112230300 is a wasteful number, since it uses less digits than its factorization.
221213112230300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221448 (or 221441 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 221213112230300 its reverse (3032211312122), we get a palindrome (224245323542422).
The spelling of 221213112230300 in words is "two hundred twenty-one trillion, two hundred thirteen billion, one hundred twelve million, two hundred thirty thousand, three hundred".
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