Base | Representation |
---|---|
bin | 11010001111011… |
… | …10101011010001 |
3 | 120100012202121000 |
4 | 31013232223101 |
5 | 422323130001 |
6 | 33502052213 |
7 | 5312034300 |
oct | 1507565321 |
9 | 510182530 |
10 | 220130001 |
11 | 103291a23 |
12 | 6187a069 |
13 | 367b4950 |
14 | 21342437 |
15 | 144d3a86 |
hex | d1eead1 |
220130001 has 48 divisors (see below), whose sum is σ = 408576000. Its totient is φ = 116103456.
The previous prime is 220129997. The next prime is 220130011. The reversal of 220130001 is 100031022.
It is a happy number.
It is not a de Polignac number, because 220130001 - 22 = 220129997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (220130011) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10800 + ... + 23598.
It is an arithmetic number, because the mean of its divisors is an integer number (8512000).
Almost surely, 2220130001 is an apocalyptic number.
220130001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
220130001 is a deficient number, since it is larger than the sum of its proper divisors (188445999).
220130001 is a wasteful number, since it uses less digits than its factorization.
220130001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12835 (or 12822 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 220130001 is about 14836.7786598035. The cubic root of 220130001 is about 603.7999580589.
Adding to 220130001 its reverse (100031022), we get a palindrome (320161023).
The spelling of 220130001 in words is "two hundred twenty million, one hundred thirty thousand, one".
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