Base | Representation |
---|---|
bin | 1000111100001111… |
… | …0100001111010001 |
3 | 20012021021212020212 |
4 | 2033003310033101 |
5 | 14403414023124 |
6 | 1034055213505 |
7 | 113322605246 |
oct | 21703641721 |
9 | 6167255225 |
10 | 2400142289 |
11 | 10218aa476 |
12 | 56b977295 |
13 | 2c333864c |
14 | 18aa995cd |
15 | e0aa340e |
hex | 8f0f43d1 |
2400142289 has 2 divisors, whose sum is σ = 2400142290. Its totient is φ = 2400142288.
The previous prime is 2400142249. The next prime is 2400142313. The reversal of 2400142289 is 9822410042.
It is a happy number.
2400142289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2344012225 + 56130064 = 48415^2 + 7492^2 .
It is a cyclic number.
It is not a de Polignac number, because 2400142289 - 28 = 2400142033 is a prime.
It is not a weakly prime, because it can be changed into another prime (2400142219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200071144 + 1200071145.
It is an arithmetic number, because the mean of its divisors is an integer number (1200071145).
Almost surely, 22400142289 is an apocalyptic number.
It is an amenable number.
2400142289 is a deficient number, since it is larger than the sum of its proper divisors (1).
2400142289 is an equidigital number, since it uses as much as digits as its factorization.
2400142289 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9216, while the sum is 32.
The square root of 2400142289 is about 48991.2470651646. The cubic root of 2400142289 is about 1338.8923587929.
The spelling of 2400142289 in words is "two billion, four hundred million, one hundred forty-two thousand, two hundred eighty-nine".
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