Base | Representation |
---|---|
bin | 111110101001011… |
… | …1001010011110010 |
3 | 12102111111000101222 |
4 | 1331102321103302 |
5 | 13301114332310 |
6 | 544331225042 |
7 | 103043412653 |
oct | 17522712362 |
9 | 5374430358 |
10 | 2102105330 |
11 | 989646936 |
12 | 4a7ba8182 |
13 | 276677210 |
14 | 15d27752a |
15 | c4831055 |
hex | 7d4b94f2 |
2102105330 has 48 divisors (see below), whose sum is σ = 4115598984. Its totient is φ = 768476160.
The previous prime is 2102105321. The next prime is 2102105351. The reversal of 2102105330 is 335012012.
It can be written as a sum of positive squares in 12 ways, for example, as 46117681 + 2055987649 = 6791^2 + 45343^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2102105299 and 2102105308.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1543850 + ... + 1545210.
Almost surely, 22102105330 is an apocalyptic number.
2102105330 is a deficient number, since it is larger than the sum of its proper divisors (2013493654).
2102105330 is a wasteful number, since it uses less digits than its factorization.
2102105330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1599 (or 1490 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 2102105330 is about 45848.7222286510. The cubic root of 2102105330 is about 1281.0069651896.
Adding to 2102105330 its reverse (335012012), we get a palindrome (2437117342).
The spelling of 2102105330 in words is "two billion, one hundred two million, one hundred five thousand, three hundred thirty".
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