Base | Representation |
---|---|
bin | 10110110000111000… |
… | …10010110011011100 |
3 | 1011112201101211021021 |
4 | 23120130102303130 |
5 | 200012113332200 |
6 | 5340411213524 |
7 | 611565513016 |
oct | 133034226334 |
9 | 34481354237 |
10 | 12221230300 |
11 | 5201625234 |
12 | 2450a472a4 |
13 | 11c9c43226 |
14 | 83d1691b6 |
15 | 4b7dc041a |
hex | 2d8712cdc |
12221230300 has 72 divisors (see below), whose sum is σ = 28266628320. Its totient is φ = 4570368000.
The previous prime is 12221230291. The next prime is 12221230339. The reversal of 12221230300 is 303212221.
12221230300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232896 + ... + 280504.
It is an arithmetic number, because the mean of its divisors is an integer number (392592060).
Almost surely, 212221230300 is an apocalyptic number.
12221230300 is a gapful number since it is divisible by the number (10) 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 12221230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14133314160).
12221230300 is an abundant number, since it is smaller than the sum of its proper divisors (16045398020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12221230300 is a wasteful number, since it uses less digits than its factorization.
12221230300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47791 (or 47784 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12221230300 its reverse (303212221), we get a palindrome (12524442521).
The spelling of 12221230300 in words is "twelve billion, two hundred twenty-one million, two hundred thirty thousand, three hundred".
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