Base | Representation |
---|---|
bin | 110101000101100101… |
… | …110010011111000111 |
3 | 12110010120112011020110 |
4 | 311011211302133013 |
5 | 1413220014440441 |
6 | 42104133004103 |
7 | 4055364634221 |
oct | 650545623707 |
9 | 173116464213 |
10 | 57002108871 |
11 | 221a1228094 |
12 | b069a83633 |
13 | 54b5633806 |
14 | 2a8a679411 |
15 | 1739478b16 |
hex | d459727c7 |
57002108871 has 4 divisors (see below), whose sum is σ = 76002811832. Its totient is φ = 38001405912.
The previous prime is 57002108827. The next prime is 57002108887. The reversal of 57002108871 is 17880120075.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 57002108871 - 211 = 57002106823 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57002103871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9500351476 + ... + 9500351481.
It is an arithmetic number, because the mean of its divisors is an integer number (19000702958).
Almost surely, 257002108871 is an apocalyptic number.
57002108871 is a deficient number, since it is larger than the sum of its proper divisors (19000702961).
57002108871 is a wasteful number, since it uses less digits than its factorization.
57002108871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19000702960.
The product of its (nonzero) digits is 31360, while the sum is 39.
The spelling of 57002108871 in words is "fifty-seven billion, two million, one hundred eight thousand, eight hundred seventy-one".
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