Base | Representation |
---|---|
bin | 111111111000011… |
… | …1110100001000110 |
3 | 12112101110101111220 |
4 | 1333300332201012 |
5 | 13342221423124 |
6 | 552411341210 |
7 | 104055556353 |
oct | 17760764106 |
9 | 5471411456 |
10 | 2143545414 |
11 | 9aaa8043a |
12 | 4b9a51806 |
13 | 28212638a |
14 | 16498362a |
15 | c82b9879 |
hex | 7fc3e846 |
2143545414 has 16 divisors (see below), whose sum is σ = 4287602928. Its totient is φ = 714429792.
The previous prime is 2143545407. The next prime is 2143545427. The reversal of 2143545414 is 4145453412.
It is a happy 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, 53004 + ... + 84240.
It is an arithmetic number, because the mean of its divisors is an integer number (267975183).
Almost surely, 22143545414 is an apocalyptic number.
2143545414 is an abundant number, since it is smaller than the sum of its proper divisors (2144057514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143545414 is a wasteful number, since it uses less digits than its factorization.
2143545414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42679.
The product of its digits is 38400, while the sum is 33.
The square root of 2143545414 is about 46298.4385697833. The cubic root of 2143545414 is about 1289.3700054631.
Adding to 2143545414 its reverse (4145453412), we get a palindrome (6288998826).
The spelling of 2143545414 in words is "two billion, one hundred forty-three million, five hundred forty-five thousand, four hundred fourteen".
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