Base | Representation |
---|---|
bin | 111111111000000… |
… | …0100011111000110 |
3 | 12112101000022110100 |
4 | 1333300010133012 |
5 | 13342141321333 |
6 | 552402304530 |
7 | 104053546356 |
oct | 17760043706 |
9 | 5471008410 |
10 | 2143307718 |
11 | 9aa9288a2 |
12 | 4b9958146 |
13 | 282072126 |
14 | 164920b66 |
15 | c826e213 |
hex | 7fc047c6 |
2143307718 has 24 divisors (see below), whose sum is σ = 4757099256. Its totient is φ = 697010400.
The previous prime is 2143307687. The next prime is 2143307723. The reversal of 2143307718 is 8177033412.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1451368 + ... + 1452843.
It is an arithmetic number, because the mean of its divisors is an integer number (198212469).
Almost surely, 22143307718 is an apocalyptic number.
2143307718 is an abundant number, since it is smaller than the sum of its proper divisors (2613791538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143307718 is a wasteful number, since it uses less digits than its factorization.
2143307718 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2904260 (or 2904257 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 2143307718 is about 46295.8715005993. The cubic root of 2143307718 is about 1289.3223446392.
The spelling of 2143307718 in words is "two billion, one hundred forty-three million, three hundred seven thousand, seven hundred eighteen".
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