Base | Representation |
---|---|
bin | 110101100011011111… |
… | …010111101110001001 |
3 | 12111102112102210200222 |
4 | 311203133113232021 |
5 | 1420231424232412 |
6 | 42230012435425 |
7 | 4103665515041 |
oct | 654337275611 |
9 | 174375383628 |
10 | 57503742857 |
11 | 22429400130 |
12 | b189a78b75 |
13 | 556553b562 |
14 | 2ad7138721 |
15 | 1768516072 |
hex | d637d7b89 |
57503742857 has 32 divisors (see below), whose sum is σ = 65852559360. Its totient is φ = 49738248000.
The previous prime is 57503742811. The next prime is 57503742871. The reversal of 57503742857 is 75824730575.
It is not a de Polignac number, because 57503742857 - 28 = 57503742601 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57503742799 and 57503742808.
It is not an unprimeable number, because it can be changed into a prime (57503702857) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5967119 + ... + 5976747.
It is an arithmetic number, because the mean of its divisors is an integer number (2057892480).
Almost surely, 257503742857 is an apocalyptic number.
It is an amenable number.
57503742857 is a deficient number, since it is larger than the sum of its proper divisors (8348816503).
57503742857 is a wasteful number, since it uses less digits than its factorization.
57503742857 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9965.
The product of its (nonzero) digits is 8232000, while the sum is 53.
The spelling of 57503742857 in words is "fifty-seven billion, five hundred three million, seven hundred forty-two thousand, eight hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •