Base | Representation |
---|---|
bin | 111110101111111… |
… | …0001010111010111 |
3 | 12102201211111111022 |
4 | 1331133301113113 |
5 | 13303000340123 |
6 | 544531431355 |
7 | 103114201406 |
oct | 17537612727 |
9 | 5381744438 |
10 | 2105480663 |
11 | 990541870 |
12 | 4a915555b |
13 | 277289660 |
14 | 15d8b563d |
15 | c4c9b1c8 |
hex | 7d7f15d7 |
2105480663 has 16 divisors (see below), whose sum is σ = 2482359936. Its totient is φ = 1760559840.
The previous prime is 2105480633. The next prime is 2105480693. The reversal of 2105480663 is 3660845012.
It is an interprime number because it is at equal distance from previous prime (2105480633) and next prime (2105480693).
It is a de Polignac number, because none of the positive numbers 2k-2105480663 is a prime.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105480633) 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, 14456 + ... + 66482.
It is an arithmetic number, because the mean of its divisors is an integer number (155147496).
Almost surely, 22105480663 is an apocalyptic number.
2105480663 is a deficient number, since it is larger than the sum of its proper divisors (376879273).
2105480663 is a wasteful number, since it uses less digits than its factorization.
2105480663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52334.
The product of its (nonzero) digits is 34560, while the sum is 35.
The square root of 2105480663 is about 45885.5169198299. The cubic root of 2105480663 is about 1281.6922326118.
The spelling of 2105480663 in words is "two billion, one hundred five million, four hundred eighty thousand, six hundred sixty-three".
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