Base | Representation |
---|---|
bin | 111110100111100… |
… | …1011001101011011 |
3 | 12102102122110121102 |
4 | 1331033023031123 |
5 | 13300342130300 |
6 | 544254302015 |
7 | 103032211442 |
oct | 17517131533 |
9 | 5372573542 |
10 | 2101130075 |
11 | 989040140 |
12 | 4a77b790b |
13 | 2763c5345 |
14 | 15d0a1d59 |
15 | c46dc0d5 |
hex | 7d3cb35b |
2101130075 has 48 divisors (see below), whose sum is σ = 2925562752. Its totient is φ = 1483680000.
The previous prime is 2101130047. The next prime is 2101130081. The reversal of 2101130075 is 5700311012.
It is a de Polignac number, because none of the positive numbers 2k-2101130075 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3731744 + ... + 3732306.
It is an arithmetic number, because the mean of its divisors is an integer number (60949224).
Almost surely, 22101130075 is an apocalyptic number.
2101130075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2101130075 is a deficient number, since it is larger than the sum of its proper divisors (824432677).
2101130075 is a wasteful number, since it uses less digits than its factorization.
2101130075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 956 (or 951 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 20.
The square root of 2101130075 is about 45838.0854203140. The cubic root of 2101130075 is about 1280.8088302243.
Adding to 2101130075 its reverse (5700311012), we get a palindrome (7801441087).
The spelling of 2101130075 in words is "two billion, one hundred one million, one hundred thirty thousand, seventy-five".
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