Base | Representation |
---|---|
bin | 110101011100101011… |
… | …100101111011101000 |
3 | 12111010120110222120122 |
4 | 311130223211323220 |
5 | 1420013203200110 |
6 | 42210412142412 |
7 | 4101110516561 |
oct | 653453457350 |
9 | 174116428518 |
10 | 57389506280 |
11 | 2237a975537 |
12 | b157767a08 |
13 | 5547981a52 |
14 | 2ac5cbd168 |
15 | 175d49d255 |
hex | d5cae5ee8 |
57389506280 has 16 divisors (see below), whose sum is σ = 129126389220. Its totient is φ = 22955802496.
The previous prime is 57389506277. The next prime is 57389506301. The reversal of 57389506280 is 8260598375.
It can be written as a sum of positive squares in 2 ways, for example, as 47683709956 + 9705796324 = 218366^2 + 98518^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717368789 + ... + 717368868.
Almost surely, 257389506280 is an apocalyptic number.
It is an amenable number.
57389506280 is an abundant number, since it is smaller than the sum of its proper divisors (71736882940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57389506280 is a wasteful number, since it uses less digits than its factorization.
57389506280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434737668 (or 1434737664 counting only the distinct ones).
The product of its (nonzero) digits is 3628800, while the sum is 53.
The spelling of 57389506280 in words is "fifty-seven billion, three hundred eighty-nine million, five hundred six thousand, two hundred eighty".
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