Base | Representation |
---|---|
bin | 1000011100011100… |
… | …0010110111000001 |
3 | 12211222022220002002 |
4 | 2013013002313001 |
5 | 14120243132011 |
6 | 1012532433345 |
7 | 110113143314 |
oct | 20707026701 |
9 | 5758286062 |
10 | 2266770881 |
11 | a63595571 |
12 | 533178855 |
13 | 2a180c45b |
14 | 17709c97b |
15 | d400ac3b |
hex | 871c2dc1 |
2266770881 has 2 divisors, whose sum is σ = 2266770882. Its totient is φ = 2266770880.
The previous prime is 2266770841. The next prime is 2266770887. The reversal of 2266770881 is 1880776622.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2255775025 + 10995856 = 47495^2 + 3316^2 .
It is a cyclic number.
It is not a de Polignac number, because 2266770881 - 26 = 2266770817 is a prime.
It is a super-2 number, since 2×22667708812 = 10276500453899032322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2266770887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133385440 + 1133385441.
It is an arithmetic number, because the mean of its divisors is an integer number (1133385441).
Almost surely, 22266770881 is an apocalyptic number.
It is an amenable number.
2266770881 is a deficient number, since it is larger than the sum of its proper divisors (1).
2266770881 is an equidigital number, since it uses as much as digits as its factorization.
2266770881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 451584, while the sum is 47.
The square root of 2266770881 is about 47610.6173137883. The cubic root of 2266770881 is about 1313.6183555956.
The spelling of 2266770881 in words is "two billion, two hundred sixty-six million, seven hundred seventy thousand, eight hundred eighty-one".
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