Base | Representation |
---|---|
bin | 110101001110001010… |
… | …010000100100100001 |
3 | 12110111121001211202200 |
4 | 311032022100210201 |
5 | 1414013321341014 |
6 | 42130310403413 |
7 | 4062062011401 |
oct | 651612204441 |
9 | 173447054680 |
10 | 57145887009 |
11 | 222653aa7a2 |
12 | b0aa060569 |
13 | 5509364733 |
14 | 2aa17c4801 |
15 | 1746dc9a09 |
hex | d4e290921 |
57145887009 has 48 divisors (see below), whose sum is σ = 86873859072. Its totient is φ = 36128784384.
The previous prime is 57145886953. The next prime is 57145887013. The reversal of 57145887009 is 90078854175.
57145887009 is a `hidden beast` number, since 57 + 1 + 4 + 588 + 7 + 0 + 0 + 9 = 666.
It is not a de Polignac number, because 57145887009 - 232 = 52850919713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57145887059) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11860969 + ... + 11865785.
It is an arithmetic number, because the mean of its divisors is an integer number (1809872064).
Almost surely, 257145887009 is an apocalyptic number.
It is an amenable number.
57145887009 is a deficient number, since it is larger than the sum of its proper divisors (29727972063).
57145887009 is a wasteful number, since it uses less digits than its factorization.
57145887009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5326 (or 5323 counting only the distinct ones).
The product of its (nonzero) digits is 2822400, while the sum is 54.
The spelling of 57145887009 in words is "fifty-seven billion, one hundred forty-five million, eight hundred eighty-seven thousand, nine".
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