Base | Representation |
---|---|
bin | 111011110111011011… |
… | …111010000100110111 |
3 | 20010220211201111220020 |
4 | 323313123322010313 |
5 | 2023121343032023 |
6 | 45310305140223 |
7 | 4433640020256 |
oct | 736733720467 |
9 | 203824644806 |
10 | 64280830263 |
11 | 25296942211 |
12 | 1055b62a673 |
13 | 60a55c7150 |
14 | 317b22a79d |
15 | 1a1349bde3 |
hex | ef76fa137 |
64280830263 has 16 divisors (see below), whose sum is σ = 92469449856. Its totient is φ = 39485103840.
The previous prime is 64280830249. The next prime is 64280830279. The reversal of 64280830263 is 36203808246.
It is not a de Polignac number, because 64280830263 - 213 = 64280822071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64280830213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485273 + ... + 1527938.
It is an arithmetic number, because the mean of its divisors is an integer number (5779340616).
Almost surely, 264280830263 is an apocalyptic number.
64280830263 is a deficient number, since it is larger than the sum of its proper divisors (28188619593).
64280830263 is a wasteful number, since it uses less digits than its factorization.
64280830263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3013774.
The product of its (nonzero) digits is 331776, while the sum is 42.
The spelling of 64280830263 in words is "sixty-four billion, two hundred eighty million, eight hundred thirty thousand, two hundred sixty-three".
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