Base | Representation |
---|---|
bin | 111110110000011… |
… | …1111101010000010 |
3 | 12102202102210101110 |
4 | 1331200333222002 |
5 | 13303041120341 |
6 | 544542344150 |
7 | 103120005345 |
oct | 17540775202 |
9 | 5382383343 |
10 | 2105801346 |
11 | 9907407a0 |
12 | 4a928b056 |
13 | 27736c5cc |
14 | 15d95a45c |
15 | c4d11216 |
hex | 7d83fa82 |
2105801346 has 32 divisors (see below), whose sum is σ = 4605004800. Its totient is φ = 636659280.
The previous prime is 2105801333. The next prime is 2105801371. The reversal of 2105801346 is 6431085012.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 65313.
It is an arithmetic number, because the mean of its divisors is an integer number (143906400).
Almost surely, 22105801346 is an apocalyptic number.
2105801346 is an abundant number, since it is smaller than the sum of its proper divisors (2499203454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105801346 is a wasteful number, since it uses less digits than its factorization.
2105801346 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73134.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 2105801346 is about 45889.0111682525. The cubic root of 2105801346 is about 1281.7573002631.
Adding to 2105801346 its reverse (6431085012), we get a palindrome (8536886358).
The spelling of 2105801346 in words is "two billion, one hundred five million, eight hundred one thousand, three hundred forty-six".
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