Base | Representation |
---|---|
bin | 110101001100101010… |
… | …010101001110111110 |
3 | 12110102211202020221120 |
4 | 311030222111032332 |
5 | 1413440402142121 |
6 | 42124011411410 |
7 | 4061335165341 |
oct | 651452251676 |
9 | 173384666846 |
10 | 57120740286 |
11 | 22252194685 |
12 | b0a1753b66 |
13 | 550409b80c |
14 | 2a9c31a458 |
15 | 1744aadbc6 |
hex | d4ca953be |
57120740286 has 16 divisors (see below), whose sum is σ = 114279133584. Its totient is φ = 19033971264.
The previous prime is 57120740279. The next prime is 57120740317. The reversal of 57120740286 is 68204702175.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549135 + ... + 1585578.
It is an arithmetic number, because the mean of its divisors is an integer number (7142445849).
Almost surely, 257120740286 is an apocalyptic number.
57120740286 is an abundant number, since it is smaller than the sum of its proper divisors (57158393298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57120740286 is a wasteful number, since it uses less digits than its factorization.
57120740286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3137755.
The product of its (nonzero) digits is 188160, while the sum is 42.
The spelling of 57120740286 in words is "fifty-seven billion, one hundred twenty million, seven hundred forty thousand, two hundred eighty-six".
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