Base | Representation |
---|---|
bin | 11010001111011… |
… | …00110000001000 |
3 | 120100012100210010 |
4 | 31013230300020 |
5 | 422322401440 |
6 | 33501551520 |
7 | 5312002311 |
oct | 1507546010 |
9 | 510170703 |
10 | 220122120 |
11 | 103287009 |
12 | 618755a0 |
13 | 367b119a |
14 | 2133d608 |
15 | 144d1580 |
hex | d1ecc08 |
220122120 has 64 divisors (see below), whose sum is σ = 699217920. Its totient is φ = 55245824.
The previous prime is 220122101. The next prime is 220122131. The reversal of 220122120 is 21221022.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 220122096 and 220122105.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51912 + ... + 55991.
It is an arithmetic number, because the mean of its divisors is an integer number (10925280).
Almost surely, 2220122120 is an apocalyptic number.
220122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220122120 is an abundant number, since it is smaller than the sum of its proper divisors (479095800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220122120 is a wasteful number, since it uses less digits than its factorization.
220122120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107934 (or 107930 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 220122120 is about 14836.5130674293. The cubic root of 220122120 is about 603.7927523104.
Adding to 220122120 its reverse (21221022), we get a palindrome (241343142).
The spelling of 220122120 in words is "two hundred twenty million, one hundred twenty-two thousand, one hundred twenty".
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