Base | Representation |
---|---|
bin | 111110100101101… |
… | …0010001101111011 |
3 | 12102100201122121101 |
4 | 1331023102031323 |
5 | 13300112011303 |
6 | 544220352231 |
7 | 103020433162 |
oct | 17513221573 |
9 | 5370648541 |
10 | 2100110203 |
11 | 988503974 |
12 | 4a73a5677 |
13 | 276129079 |
14 | 15ccb83d9 |
15 | c4589d1d |
hex | 7d2d237b |
2100110203 has 4 divisors (see below), whose sum is σ = 2100462088. Its totient is φ = 2099758320.
The previous prime is 2100110189. The next prime is 2100110231. The reversal of 2100110203 is 3020110012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2100110203 - 25 = 2100110171 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 2100110203.
It is not an unprimeable number, because it can be changed into a prime (2100110263) 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 3 ways as a sum of consecutive naturals, for example, 166833 + ... + 178978.
It is an arithmetic number, because the mean of its divisors is an integer number (525115522).
Almost surely, 22100110203 is an apocalyptic number.
2100110203 is a deficient number, since it is larger than the sum of its proper divisors (351885).
2100110203 is an equidigital number, since it uses as much as digits as its factorization.
2100110203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351884.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 2100110203 is about 45826.9593470918. The cubic root of 2100110203 is about 1280.6015651775.
Adding to 2100110203 its reverse (3020110012), we get a palindrome (5120220215).
The spelling of 2100110203 in words is "two billion, one hundred million, one hundred ten thousand, two hundred three".
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