Base | Representation |
---|---|
bin | 110101001111101011… |
… | …000000001111101011 |
3 | 12110120100210022122121 |
4 | 311033223000033223 |
5 | 1414041314414412 |
6 | 42133014132111 |
7 | 4062520406431 |
oct | 651753001753 |
9 | 173510708577 |
10 | 57171248107 |
11 | 22278751986 |
12 | b0b6651037 |
13 | 55116a40bc |
14 | 2aa4d06d51 |
15 | 1749239107 |
hex | d4fac03eb |
57171248107 has 2 divisors, whose sum is σ = 57171248108. Its totient is φ = 57171248106.
The previous prime is 57171248059. The next prime is 57171248117. The reversal of 57171248107 is 70184217175.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57171248107 is a prime.
It is a super-2 number, since 2×571712481072 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (57171248117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28585624053 + 28585624054.
It is an arithmetic number, because the mean of its divisors is an integer number (28585624054).
Almost surely, 257171248107 is an apocalyptic number.
57171248107 is a deficient number, since it is larger than the sum of its proper divisors (1).
57171248107 is an equidigital number, since it uses as much as digits as its factorization.
57171248107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 109760, while the sum is 43.
The spelling of 57171248107 in words is "fifty-seven billion, one hundred seventy-one million, two hundred forty-eight thousand, one hundred seven".
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