Base | Representation |
---|---|
bin | 111110100111011… |
… | …0010110011100011 |
3 | 12102102110101111012 |
4 | 1331032302303203 |
5 | 13300330430430 |
6 | 544252211135 |
7 | 103031314142 |
oct | 17516626343 |
9 | 5372411435 |
10 | 2101030115 |
11 | 988a82028 |
12 | 4a7769aab |
13 | 27638b9b2 |
14 | 15d077759 |
15 | c46bc695 |
hex | 7d3b2ce3 |
2101030115 has 16 divisors (see below), whose sum is σ = 2604116736. Its totient is φ = 1625635200.
The previous prime is 2101030111. The next prime is 2101030121. The reversal of 2101030115 is 5110301012.
It is not a de Polignac number, because 2101030115 - 22 = 2101030111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2101030115.
It is not an unprimeable number, because it can be changed into a prime (2101030111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366209 + ... + 371901.
It is an arithmetic number, because the mean of its divisors is an integer number (162757296).
Almost surely, 22101030115 is an apocalyptic number.
2101030115 is a deficient number, since it is larger than the sum of its proper divisors (503086621).
2101030115 is a wasteful number, since it uses less digits than its factorization.
2101030115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8110.
The product of its (nonzero) digits is 30, while the sum is 14.
The square root of 2101030115 is about 45836.9950476686. The cubic root of 2101030115 is about 1280.7885186655.
Adding to 2101030115 its reverse (5110301012), we get a palindrome (7211331127).
The spelling of 2101030115 in words is "two billion, one hundred one million, thirty thousand, one hundred fifteen".
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