Base | Representation |
---|---|
bin | 11010001111011… |
… | …00110001100010 |
3 | 120100012100220110 |
4 | 31013230301202 |
5 | 422322402320 |
6 | 33501552150 |
7 | 5312002500 |
oct | 1507546142 |
9 | 510170813 |
10 | 220122210 |
11 | 103287090 |
12 | 61875656 |
13 | 367b1239 |
14 | 2133d670 |
15 | 144d15e0 |
hex | d1ecc62 |
220122210 has 96 divisors (see below), whose sum is σ = 670462272. Its totient is φ = 45736320.
The previous prime is 220122181. The next prime is 220122233. The reversal of 220122210 is 12221022.
220122210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2201222103 (a number of 26 digits) contains 333 as substring.
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, 9364 + ... + 22976.
It is an arithmetic number, because the mean of its divisors is an integer number (6983982).
Almost surely, 2220122210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220122210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335231136).
220122210 is an abundant number, since it is smaller than the sum of its proper divisors (450340062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220122210 is a wasteful number, since it uses less digits than its factorization.
220122210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13648 (or 13641 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 220122210 is about 14836.5161004867. The cubic root of 220122210 is about 603.7928346001.
Adding to 220122210 its reverse (12221022), we get a palindrome (232343232).
The spelling of 220122210 in words is "two hundred twenty million, one hundred twenty-two thousand, two hundred ten".
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