Base | Representation |
---|---|
bin | 111110101111100… |
… | …0111101110110010 |
3 | 12102201111211120021 |
4 | 1331133013232302 |
5 | 13302424411010 |
6 | 544524034054 |
7 | 103112561260 |
oct | 17537075662 |
9 | 5381454507 |
10 | 2105310130 |
11 | 990435730 |
12 | 4a909292a |
13 | 277229b51 |
14 | 15d86d430 |
15 | c4c658da |
hex | 7d7c7bb2 |
2105310130 has 128 divisors (see below), whose sum is σ = 4936826880. Its totient is φ = 627264000.
The previous prime is 2105310121. The next prime is 2105310173. The reversal of 2105310130 is 310135012.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2123935 + ... + 2124925.
It is an arithmetic number, because the mean of its divisors is an integer number (38568960).
Almost surely, 22105310130 is an apocalyptic number.
2105310130 is an abundant number, since it is smaller than the sum of its proper divisors (2831516750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105310130 is a wasteful number, since it uses less digits than its factorization.
2105310130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1136.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 2105310130 is about 45883.6586379072. The cubic root of 2105310130 is about 1281.6576282058.
Adding to 2105310130 its reverse (310135012), we get a palindrome (2415445142).
The spelling of 2105310130 in words is "two billion, one hundred five million, three hundred ten thousand, one hundred thirty".
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