Base | Representation |
---|---|
bin | 1100110100010110100… |
… | …1100111101011011000 |
3 | 210001101221111002022220 |
4 | 3031011221213223120 |
5 | 12101443214323144 |
6 | 245055224344040 |
7 | 21624025004640 |
oct | 3150551475330 |
9 | 701357432286 |
10 | 220211870424 |
11 | 85433950647 |
12 | 36818615020 |
13 | 179c5879110 |
14 | a930599520 |
15 | 5adcae1919 |
hex | 3345a67ad8 |
220211870424 has 128 divisors (see below), whose sum is σ = 678279329280. Its totient is φ = 58017484800.
The previous prime is 220211870423. The next prime is 220211870447. The reversal of 220211870424 is 424078112022.
220211870424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220211870423) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2068744 + ... + 2172584.
It is an arithmetic number, because the mean of its divisors is an integer number (5299057260).
Almost surely, 2220211870424 is an apocalyptic number.
220211870424 is a gapful number since it is divisible by the number (24) 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 220211870424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339139664640).
220211870424 is an abundant number, since it is smaller than the sum of its proper divisors (458067458856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220211870424 is a wasteful number, since it uses less digits than its factorization.
220211870424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104841 (or 104837 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
Adding to 220211870424 its reverse (424078112022), we get a palindrome (644289982446).
The spelling of 220211870424 in words is "two hundred twenty billion, two hundred eleven million, eight hundred seventy thousand, four hundred twenty-four".
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