Base | Representation |
---|---|
bin | 111110100111100… |
… | …1101101101100000 |
3 | 12102102122222122212 |
4 | 1331033031231200 |
5 | 13300342442240 |
6 | 544254421252 |
7 | 103032253346 |
oct | 17517155540 |
9 | 5372588585 |
10 | 2101140320 |
11 | 989047904 |
12 | 4a7801828 |
13 | 2763c9bc6 |
14 | 15d0a5996 |
15 | c46e0165 |
hex | 7d3cdb60 |
2101140320 has 48 divisors (see below), whose sum is σ = 5124083328. Its totient is φ = 813342720.
The previous prime is 2101140299. The next prime is 2101140329. The reversal of 2101140320 is 230411012.
It is a junction number, because it is equal to n+sod(n) for n = 2101140295 and 2101140304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101140329) 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, 206849 + ... + 216768.
It is an arithmetic number, because the mean of its divisors is an integer number (106751736).
Almost surely, 22101140320 is an apocalyptic number.
2101140320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2101140320 is an abundant number, since it is smaller than the sum of its proper divisors (3022943008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101140320 is a wasteful number, since it uses less digits than its factorization.
2101140320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423663 (or 423655 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2101140320 is about 45838.1971722274. The cubic root of 2101140320 is about 1280.8109119398.
Adding to 2101140320 its reverse (230411012), we get a palindrome (2331551332).
The spelling of 2101140320 in words is "two billion, one hundred one million, one hundred forty thousand, three hundred twenty".
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