Base | Representation |
---|---|
bin | 1010111101100101… |
… | …0001110010110011 |
3 | 21121002002120020010 |
4 | 2233121101302303 |
5 | 22011303424113 |
6 | 1203554550003 |
7 | 132631010163 |
oct | 25731216263 |
9 | 7532076203 |
10 | 2942639283 |
11 | 12800524a1 |
12 | 6a1598303 |
13 | 37b84c99c |
14 | 1dcb545a3 |
15 | 1235131c3 |
hex | af651cb3 |
2942639283 has 6 divisors (see below), whose sum is σ = 3923644324. Its totient is φ = 1961696884.
The previous prime is 2942639281. The next prime is 2942639311. The reversal of 2942639283 is 3829362492.
It is not a de Polignac number, because 2942639283 - 21 = 2942639281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2942639281) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78298 + ... + 109616.
Almost surely, 22942639283 is an apocalyptic number.
2942639283 is a deficient number, since it is larger than the sum of its proper divisors (981005041).
2942639283 is an frugal number, since it uses more digits than its factorization.
2942639283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62641 (or 31322 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 48.
The square root of 2942639283 is about 54246.0992422497. The cubic root of 2942639283 is about 1432.9983030487.
Multiplying 2942639283 by its sum of digits (48), we get a square (141246685584 = 3758282).
The spelling of 2942639283 in words is "two billion, nine hundred forty-two million, six hundred thirty-nine thousand, two hundred eighty-three".
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