Base | Representation |
---|---|
bin | 111111111000000… |
… | …1001111111001100 |
3 | 12112101001110100221 |
4 | 1333300021333030 |
5 | 13342143032002 |
6 | 552403001124 |
7 | 104054002150 |
oct | 17760117714 |
9 | 5471043327 |
10 | 2143330252 |
11 | 9aa943818 |
12 | 4b99691a4 |
13 | 28207c46b |
14 | 164929060 |
15 | c8275c37 |
hex | 7fc09fcc |
2143330252 has 12 divisors (see below), whose sum is σ = 4286660560. Its totient is φ = 918570096.
The previous prime is 2143330243. The next prime is 2143330291. The reversal of 2143330252 is 2520333412.
2143330252 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38273727 + ... + 38273782.
Almost surely, 22143330252 is an apocalyptic number.
It is an amenable number.
2143330252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143330252 is a wasteful number, since it uses less digits than its factorization.
2143330252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76547520 (or 76547518 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 2143330252 is about 46296.1148693927. The cubic root of 2143330252 is about 1289.3268631205.
Adding to 2143330252 its reverse (2520333412), we get a palindrome (4663663664).
The spelling of 2143330252 in words is "two billion, one hundred forty-three million, three hundred thirty thousand, two hundred fifty-two".
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