Base | Representation |
---|---|
bin | 110101011100011100… |
… | …111001111000110101 |
3 | 12111010022020100210112 |
4 | 311130130321320311 |
5 | 1420011211441421 |
6 | 42210153432405 |
7 | 4101033012062 |
oct | 653434717065 |
9 | 174108210715 |
10 | 57385655861 |
11 | 22378785676 |
12 | b15640b705 |
13 | 5546c342b1 |
14 | 2ac5599c69 |
15 | 175ce8c45b |
hex | d5c739e35 |
57385655861 has 8 divisors (see below), whose sum is σ = 57640603104. Its totient is φ = 57130918000.
The previous prime is 57385655837. The next prime is 57385655869. The reversal of 57385655861 is 16855658375.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57385655861 - 214 = 57385639477 is a prime.
It is a super-2 number, since 2×573856558612 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 57385655861.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57385655869) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510386 + ... + 612588.
It is an arithmetic number, because the mean of its divisors is an integer number (7205075388).
Almost surely, 257385655861 is an apocalyptic number.
It is an amenable number.
57385655861 is a deficient number, since it is larger than the sum of its proper divisors (254947243).
57385655861 is a wasteful number, since it uses less digits than its factorization.
57385655861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104691.
The product of its digits is 30240000, while the sum is 59.
The spelling of 57385655861 in words is "fifty-seven billion, three hundred eighty-five million, six hundred fifty-five thousand, eight hundred sixty-one".
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