Base | Representation |
---|---|
bin | 111110101111110… |
… | …0000101011001111 |
3 | 12102201201000201110 |
4 | 1331133200223033 |
5 | 13302441143203 |
6 | 544530143103 |
7 | 103113465201 |
oct | 17537405317 |
9 | 5381630643 |
10 | 2105412303 |
11 | 9904a5475 |
12 | 4a9121a93 |
13 | 2772644c7 |
14 | 15d898771 |
15 | c4c85d03 |
hex | 7d7e0acf |
2105412303 has 4 divisors (see below), whose sum is σ = 2807216408. Its totient is φ = 1403608200.
The previous prime is 2105412293. The next prime is 2105412307. The reversal of 2105412303 is 3032145012.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2105412303 - 216 = 2105346767 is a prime.
It is an alternating number because its digits alternate between even and odd.
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 2105412303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105412307) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350902048 + ... + 350902053.
It is an arithmetic number, because the mean of its divisors is an integer number (701804102).
Almost surely, 22105412303 is an apocalyptic number.
2105412303 is a deficient number, since it is larger than the sum of its proper divisors (701804105).
2105412303 is an equidigital number, since it uses as much as digits as its factorization.
2105412303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 701804104.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2105412303 is about 45884.7720164326. The cubic root of 2105412303 is about 1281.6783612853.
Adding to 2105412303 its reverse (3032145012), we get a palindrome (5137557315).
The spelling of 2105412303 in words is "two billion, one hundred five million, four hundred twelve thousand, three hundred three".
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