Base | Representation |
---|---|
bin | 111111111000000… |
… | …1000000100100101 |
3 | 12112101001001121022 |
4 | 1333300020010211 |
5 | 13342142304110 |
6 | 552402500525 |
7 | 104053640240 |
oct | 17760100445 |
9 | 5471031538 |
10 | 2143322405 |
11 | 9aa938934 |
12 | 4b9964745 |
13 | 282078a13 |
14 | 164926257 |
15 | c8273755 |
hex | 7fc08125 |
2143322405 has 8 divisors (see below), whose sum is σ = 2939413632. Its totient is φ = 1469706768.
The previous prime is 2143322381. The next prime is 2143322411. The reversal of 2143322405 is 5042233412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2143322405 - 28 = 2143322149 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30618857 + ... + 30618926.
It is an arithmetic number, because the mean of its divisors is an integer number (367426704).
Almost surely, 22143322405 is an apocalyptic number.
It is an amenable number.
2143322405 is a deficient number, since it is larger than the sum of its proper divisors (796091227).
2143322405 is an equidigital number, since it uses as much as digits as its factorization.
2143322405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61237795.
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 2143322405 is about 46296.0301213830. The cubic root of 2143322405 is about 1289.3252896563.
Adding to 2143322405 its reverse (5042233412), we get a palindrome (7185555817).
The spelling of 2143322405 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, four hundred five".
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