Base | Representation |
---|---|
bin | 1000010001011101… |
… | …0011000111011000 |
3 | 12201202122020212121 |
4 | 2010113103013120 |
5 | 14021444400440 |
6 | 1004205151024 |
7 | 106013432242 |
oct | 20427230730 |
9 | 5652566777 |
10 | 2220700120 |
11 | a3a588961 |
12 | 51b85b474 |
13 | 2950cb652 |
14 | 170d09092 |
15 | cee5a34a |
hex | 845d31d8 |
2220700120 has 64 divisors (see below), whose sum is σ = 5092308000. Its totient is φ = 871342080.
The previous prime is 2220700099. The next prime is 2220700121. The reversal of 2220700120 is 210070222.
It is a junction number, because it is equal to n+sod(n) for n = 2220700094 and 2220700103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220700121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094547 + ... + 1096573.
Almost surely, 22220700120 is an apocalyptic number.
2220700120 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 2220700120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546154000).
2220700120 is an abundant number, since it is smaller than the sum of its proper divisors (2871607880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220700120 is a wasteful number, since it uses less digits than its factorization.
2220700120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2548 (or 2544 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 2220700120 is about 47124.3049816122. The cubic root of 2220700120 is about 1304.6578709023.
Adding to 2220700120 its reverse (210070222), we get a palindrome (2430770342).
The spelling of 2220700120 in words is "two billion, two hundred twenty million, seven hundred thousand, one hundred twenty".
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