Base | Representation |
---|---|
bin | 111111110111101… |
… | …0010110110110000 |
3 | 12112100121222121020 |
4 | 1333233102312300 |
5 | 13342113320212 |
6 | 552354055440 |
7 | 104052041610 |
oct | 17757226660 |
9 | 5470558536 |
10 | 2143104432 |
11 | 9aa7aa097 |
12 | 4b987a580 |
13 | 282000741 |
14 | 1648aaa40 |
15 | c822dd8c |
hex | 7fbd2db0 |
2143104432 has 40 divisors (see below), whose sum is σ = 6327261696. Its totient is φ = 612315456.
The previous prime is 2143104413. The next prime is 2143104433. The reversal of 2143104432 is 2344013412.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (2143104433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188808 + ... + 3189479.
Almost surely, 22143104432 is an apocalyptic number.
It is an amenable number.
2143104432 is an abundant number, since it is smaller than the sum of its proper divisors (4184157264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143104432 is a wasteful number, since it uses less digits than its factorization.
2143104432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6378305 (or 6378299 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 2143104432 is about 46293.6759395924. The cubic root of 2143104432 is about 1289.2815806265.
Adding to 2143104432 its reverse (2344013412), we get a palindrome (4487117844).
The spelling of 2143104432 in words is "two billion, one hundred forty-three million, one hundred four thousand, four hundred thirty-two".
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