Base | Representation |
---|---|
bin | 111111011110011… |
… | …1110101001111001 |
3 | 12111102210212101211 |
4 | 1332330332221321 |
5 | 13330224230424 |
6 | 551203243121 |
7 | 103531655143 |
oct | 17674765171 |
9 | 5442725354 |
10 | 2129914489 |
11 | 9a331030a |
12 | 4b53794a1 |
13 | 27c362c41 |
14 | 162c35c93 |
15 | c6ec5b94 |
hex | 7ef3ea79 |
2129914489 has 8 divisors (see below), whose sum is σ = 2199594240. Its totient is φ = 2060295600.
The previous prime is 2129914481. The next prime is 2129914499. The reversal of 2129914489 is 9844199212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2129914489 - 23 = 2129914481 is a prime.
It is a super-2 number, since 2×21299144892 = 9073071460904262242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2129914481) 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, 62259 + ... + 90199.
It is an arithmetic number, because the mean of its divisors is an integer number (274949280).
Almost surely, 22129914489 is an apocalyptic number.
It is an amenable number.
2129914489 is a deficient number, since it is larger than the sum of its proper divisors (69679751).
2129914489 is a wasteful number, since it uses less digits than its factorization.
2129914489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30431.
The product of its digits is 373248, while the sum is 49.
The square root of 2129914489 is about 46150.9966197914. The cubic root of 2129914489 is about 1286.6311330611.
The spelling of 2129914489 in words is "two billion, one hundred twenty-nine million, nine hundred fourteen thousand, four hundred eighty-nine".
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