Base | Representation |
---|---|
bin | 1001111111111000… |
… | …0010001110110001 |
3 | 20221001010011112121 |
4 | 2133332002032301 |
5 | 20444030330114 |
6 | 1122151554241 |
7 | 123336154456 |
oct | 23776021661 |
9 | 6831104477 |
10 | 2683839409 |
11 | 1157a592a9 |
12 | 62a98b981 |
13 | 33a048a74 |
14 | 1b662782d |
15 | 10a941a24 |
hex | 9ff823b1 |
2683839409 has 4 divisors (see below), whose sum is σ = 2685184000. Its totient is φ = 2682494820.
The previous prime is 2683839407. The next prime is 2683839413. The reversal of 2683839409 is 9049383862.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9049383862 = 2 ⋅4524691931.
It is a cyclic number.
It is not a de Polignac number, because 2683839409 - 21 = 2683839407 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2683839401) 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, 669297 + ... + 673294.
It is an arithmetic number, because the mean of its divisors is an integer number (671296000).
Almost surely, 22683839409 is an apocalyptic number.
It is an amenable number.
2683839409 is a deficient number, since it is larger than the sum of its proper divisors (1344591).
2683839409 is a wasteful number, since it uses less digits than its factorization.
2683839409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1344590.
The product of its (nonzero) digits is 2239488, while the sum is 52.
The square root of 2683839409 is about 51805.7854780718. The cubic root of 2683839409 is about 1389.6929102670.
The spelling of 2683839409 in words is "two billion, six hundred eighty-three million, eight hundred thirty-nine thousand, four hundred nine".
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