Base | Representation |
---|---|
bin | 111111111000010… |
… | …1000001110110010 |
3 | 12112101021202022000 |
4 | 1333300220032302 |
5 | 13342211013010 |
6 | 552405354430 |
7 | 104055026256 |
oct | 17760501662 |
9 | 5471252260 |
10 | 2143454130 |
11 | 9aaa188a4 |
12 | 4b9a08a16 |
13 | 2820c396c |
14 | 16495c266 |
15 | c829c7c0 |
hex | 7fc283b2 |
2143454130 has 64 divisors (see below), whose sum is σ = 5721408000. Its totient is φ = 571034880.
The previous prime is 2143454107. The next prime is 2143454207. The reversal of 2143454130 is 314543412.
It is a happy number.
2143454130 is a `hidden beast` number, since 214 + 34 + 5 + 413 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2143454094 and 2143454103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329146 + ... + 335594.
It is an arithmetic number, because the mean of its divisors is an integer number (89397000).
Almost surely, 22143454130 is an apocalyptic number.
2143454130 is an abundant number, since it is smaller than the sum of its proper divisors (3577953870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143454130 is a wasteful number, since it uses less digits than its factorization.
2143454130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7696 (or 7690 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 2143454130 is about 46297.4527377047. The cubic root of 2143454130 is about 1289.3517023718.
Adding to 2143454130 its reverse (314543412), we get a palindrome (2457997542).
The spelling of 2143454130 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, one hundred thirty".
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