Base | Representation |
---|---|
bin | 11010001111011… |
… | …00101110100011 |
3 | 120100012100122101 |
4 | 31013230232203 |
5 | 422322401034 |
6 | 33501551231 |
7 | 5312002105 |
oct | 1507545643 |
9 | 510170571 |
10 | 220122019 |
11 | 103286a27 |
12 | 61875517 |
13 | 367b1120 |
14 | 2133d575 |
15 | 144d1514 |
hex | d1ecba3 |
220122019 has 8 divisors (see below), whose sum is σ = 237173552. Its totient is φ = 203087520.
The previous prime is 220122017. The next prime is 220122043. The reversal of 220122019 is 910221022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220122019 - 21 = 220122017 is a prime.
It is a super-2 number, since 2×2201220192 = 96907406497272722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 220121987 and 220122005.
It is not an unprimeable number, because it can be changed into a prime (220122017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38692 + ... + 44014.
It is an arithmetic number, because the mean of its divisors is an integer number (29646694).
Almost surely, 2220122019 is an apocalyptic number.
220122019 is a deficient number, since it is larger than the sum of its proper divisors (17051533).
220122019 is a wasteful number, since it uses less digits than its factorization.
220122019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8517.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 220122019 is about 14836.5096636642. The cubic root of 220122019 is about 603.7926599630.
The spelling of 220122019 in words is "two hundred twenty million, one hundred twenty-two thousand, nineteen".
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