Base | Representation |
---|---|
bin | 111111011101110… |
… | …0011111111011010 |
3 | 12111102002222222210 |
4 | 1332323203333122 |
5 | 13330130340010 |
6 | 551151255550 |
7 | 103525550361 |
oct | 17673437732 |
9 | 5442088883 |
10 | 2129543130 |
11 | 9a3087300 |
12 | 4b521a5b6 |
13 | 27c262bc0 |
14 | 162b7a7d8 |
15 | c6e50b20 |
hex | 7eee3fda |
2129543130 has 96 divisors (see below), whose sum is σ = 6050040192. Its totient is φ = 476530560.
The previous prime is 2129543099. The next prime is 2129543153. The reversal of 2129543130 is 313459212.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24627 + ... + 69753.
It is an arithmetic number, because the mean of its divisors is an integer number (63021252).
Almost surely, 22129543130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2129543130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3025020096).
2129543130 is an abundant number, since it is smaller than the sum of its proper divisors (3920497062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2129543130 is a wasteful number, since it uses less digits than its factorization.
2129543130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45172 (or 45161 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 2129543130 is about 46146.9731401746. The cubic root of 2129543130 is about 1286.5563523089.
The spelling of 2129543130 in words is "two billion, one hundred twenty-nine million, five hundred forty-three thousand, one hundred thirty".
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