Base | Representation |
---|---|
bin | 111110110000001… |
… | …0110111010000001 |
3 | 12102202010022102111 |
4 | 1331200112322001 |
5 | 13303020300213 |
6 | 544535015321 |
7 | 103115411620 |
oct | 17540267201 |
9 | 5382108374 |
10 | 2105634433 |
11 | 990637351 |
12 | 4a920a541 |
13 | 277311646 |
14 | 15d9156b7 |
15 | c4ccba3d |
hex | 7d816e81 |
2105634433 has 16 divisors (see below), whose sum is σ = 2583892224. Its totient is φ = 1674731520.
The previous prime is 2105634389. The next prime is 2105634463. The reversal of 2105634433 is 3344365012.
It is a de Polignac number, because none of the positive numbers 2k-2105634433 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2105634395 and 2105634404.
It is not an unprimeable number, because it can be changed into a prime (2105634463) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116160 + ... + 133057.
It is an arithmetic number, because the mean of its divisors is an integer number (161493264).
Almost surely, 22105634433 is an apocalyptic number.
It is an amenable number.
2105634433 is a deficient number, since it is larger than the sum of its proper divisors (478257791).
2105634433 is a wasteful number, since it uses less digits than its factorization.
2105634433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249312.
The product of its (nonzero) digits is 25920, while the sum is 31.
The square root of 2105634433 is about 45887.1924724100. The cubic root of 2105634433 is about 1281.7234338826.
Adding to 2105634433 its reverse (3344365012), we get a palindrome (5449999445).
The spelling of 2105634433 in words is "two billion, one hundred five million, six hundred thirty-four thousand, four hundred thirty-three".
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