Base | Representation |
---|---|
bin | 111110101111100… |
… | …1100100111010000 |
3 | 12102201112211222221 |
4 | 1331133030213100 |
5 | 13302431031003 |
6 | 544524310424 |
7 | 103113003466 |
oct | 17537144720 |
9 | 5381484887 |
10 | 2105330128 |
11 | 990449760 |
12 | 4a90a2414 |
13 | 277235c95 |
14 | 15d876836 |
15 | c4c6b7bd |
hex | 7d7cc9d0 |
2105330128 has 20 divisors (see below), whose sum is σ = 4449902688. Its totient is φ = 956968160.
The previous prime is 2105330113. The next prime is 2105330137. The reversal of 2105330128 is 8210335012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5980876 + ... + 5981227.
Almost surely, 22105330128 is an apocalyptic number.
It is an amenable number.
2105330128 is an abundant number, since it is smaller than the sum of its proper divisors (2344572560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105330128 is a wasteful number, since it uses less digits than its factorization.
2105330128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11962122 (or 11962116 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 2105330128 is about 45883.8765581113. The cubic root of 2105330128 is about 1281.6616862791.
It can be divided in two parts, 2105 and 330128, that added together give a palindrome (332233).
The spelling of 2105330128 in words is "two billion, one hundred five million, three hundred thirty thousand, one hundred twenty-eight".
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