Base | Representation |
---|---|
bin | 110101101001100110… |
… | …111010000001100001 |
3 | 12111200200120101200022 |
4 | 311221212322001201 |
5 | 1420434213203130 |
6 | 42244120403225 |
7 | 4106353110410 |
oct | 655146720141 |
9 | 174620511608 |
10 | 57606381665 |
11 | 22481334198 |
12 | b1b8316515 |
13 | 5580897191 |
14 | 2b06a15477 |
15 | 177253c7e5 |
hex | d699ba061 |
57606381665 has 32 divisors (see below), whose sum is σ = 80998493184. Its totient is φ = 38510346240.
The previous prime is 57606381629. The next prime is 57606381671. The reversal of 57606381665 is 56618360675.
It is not a de Polignac number, because 57606381665 - 210 = 57606380641 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354635 + ... + 490895.
It is an arithmetic number, because the mean of its divisors is an integer number (2531202912).
Almost surely, 257606381665 is an apocalyptic number.
It is an amenable number.
57606381665 is a deficient number, since it is larger than the sum of its proper divisors (23392111519).
57606381665 is a wasteful number, since it uses less digits than its factorization.
57606381665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136577.
The product of its (nonzero) digits is 5443200, while the sum is 53.
The spelling of 57606381665 in words is "fifty-seven billion, six hundred six million, three hundred eighty-one thousand, six hundred sixty-five".
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