Base | Representation |
---|---|
bin | 111111110111011… |
… | …1001011001000110 |
3 | 12112100102200112100 |
4 | 1333232321121012 |
5 | 13342102001014 |
6 | 552351532530 |
7 | 104051125542 |
oct | 17756713106 |
9 | 5470380470 |
10 | 2143000134 |
11 | 9aa7387a0 |
12 | 4b982a146 |
13 | 281c95122 |
14 | 164880a22 |
15 | c820d009 |
hex | 7fbb9646 |
2143000134 has 24 divisors (see below), whose sum is σ = 5065273512. Its totient is φ = 649393920.
The previous prime is 2143000133. The next prime is 2143000141. The reversal of 2143000134 is 4310003412.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143000133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5411419 + ... + 5411814.
It is an arithmetic number, because the mean of its divisors is an integer number (211053063).
Almost surely, 22143000134 is an apocalyptic number.
2143000134 is an abundant number, since it is smaller than the sum of its proper divisors (2922273378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143000134 is a wasteful number, since it uses less digits than its factorization.
2143000134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10823252 (or 10823249 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2143000134 is about 46292.5494437280. The cubic root of 2143000134 is about 1289.2606652246.
Adding to 2143000134 its reverse (4310003412), we get a palindrome (6453003546).
The spelling of 2143000134 in words is "two billion, one hundred forty-three million, one hundred thirty-four", and thus it is an aban number.
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