Base | Representation |
---|---|
bin | 110101100011011111… |
… | …010111101110010111 |
3 | 12111102112102210201111 |
4 | 311203133113232113 |
5 | 1420231424232441 |
6 | 42230012435451 |
7 | 4103665515061 |
oct | 654337275627 |
9 | 174375383644 |
10 | 57503742871 |
11 | 22429400143 |
12 | b189a78b87 |
13 | 556553b573 |
14 | 2ad7138731 |
15 | 1768516081 |
hex | d637d7b97 |
57503742871 has 2 divisors, whose sum is σ = 57503742872. Its totient is φ = 57503742870.
The previous prime is 57503742811. The next prime is 57503742899. The reversal of 57503742871 is 17824730575.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 57503742871 - 231 = 55356259223 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57503742811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28751871435 + 28751871436.
It is an arithmetic number, because the mean of its divisors is an integer number (28751871436).
Almost surely, 257503742871 is an apocalyptic number.
57503742871 is a deficient number, since it is larger than the sum of its proper divisors (1).
57503742871 is an equidigital number, since it uses as much as digits as its factorization.
57503742871 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1646400, while the sum is 49.
The spelling of 57503742871 in words is "fifty-seven billion, five hundred three million, seven hundred forty-two thousand, eight hundred seventy-one".
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