Base | Representation |
---|---|
bin | 1000010001010111… |
… | …1000110001101011 |
3 | 12201201221110021211 |
4 | 2010111320301223 |
5 | 14021401030331 |
6 | 1004153213551 |
7 | 106010331400 |
oct | 20425706153 |
9 | 5651843254 |
10 | 2220330091 |
11 | a3a355951 |
12 | 51b7012b7 |
13 | 294ccc0b5 |
14 | 170c502a7 |
15 | cedd58b1 |
hex | 84578c6b |
2220330091 has 12 divisors (see below), whose sum is σ = 2598687912. Its totient is φ = 1891457568.
The previous prime is 2220330089. The next prime is 2220330131. The reversal of 2220330091 is 1900330222.
It is not a de Polignac number, because 2220330091 - 21 = 2220330089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2220330011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131010 + ... + 146983.
It is an arithmetic number, because the mean of its divisors is an integer number (216557326).
Almost surely, 22220330091 is an apocalyptic number.
2220330091 is a deficient number, since it is larger than the sum of its proper divisors (378357821).
2220330091 is a wasteful number, since it uses less digits than its factorization.
2220330091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278170 (or 278163 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 2220330091 is about 47120.3787230111. The cubic root of 2220330091 is about 1304.5854030562.
The spelling of 2220330091 in words is "two billion, two hundred twenty million, three hundred thirty thousand, ninety-one".
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