Base | Representation |
---|---|
bin | 110101001101111111… |
… | …101010110011010101 |
3 | 12110111101211210121200 |
4 | 311031333222303111 |
5 | 1414012114021434 |
6 | 42130131103113 |
7 | 4062026266605 |
oct | 651577526325 |
9 | 173441753550 |
10 | 57143110869 |
11 | 22263883a69 |
12 | b0a9141a99 |
13 | 5508901c50 |
14 | 2aa12a0c05 |
15 | 1746a2c199 |
hex | d4dfeacd5 |
57143110869 has 24 divisors (see below), whose sum is σ = 93567670560. Its totient is φ = 33314200992.
The previous prime is 57143110861. The next prime is 57143110897. The reversal of 57143110869 is 96801134175.
57143110869 is a `hidden beast` number, since 57 + 1 + 431 + 108 + 69 = 666.
It is not a de Polignac number, because 57143110869 - 23 = 57143110861 is a prime.
It is a super-2 number, since 2×571431108692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57143110861) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12850479 + ... + 12854924.
It is an arithmetic number, because the mean of its divisors is an integer number (3898652940).
Almost surely, 257143110869 is an apocalyptic number.
It is an amenable number.
57143110869 is a deficient number, since it is larger than the sum of its proper divisors (36424559691).
57143110869 is a wasteful number, since it uses less digits than its factorization.
57143110869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25705441 (or 25705438 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The spelling of 57143110869 in words is "fifty-seven billion, one hundred forty-three million, one hundred ten thousand, eight hundred sixty-nine".
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