Base | Representation |
---|---|
bin | 110101001000011100… |
… | …100011110011001001 |
3 | 12110020220200100102011 |
4 | 311020130203303021 |
5 | 1413314301133230 |
6 | 42113003535521 |
7 | 4056516115012 |
oct | 651034436311 |
9 | 173226610364 |
10 | 57050021065 |
11 | 22216282244 |
12 | b081b2a5a1 |
13 | 54c253a81b |
14 | 2a92b8c009 |
15 | 173d78ee2a |
hex | d48723cc9 |
57050021065 has 8 divisors (see below), whose sum is σ = 68463057600. Its totient is φ = 45637995312.
The previous prime is 57050021011. The next prime is 57050021107. The reversal of 57050021065 is 56012005075.
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 57050021065 - 211 = 57050019017 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 7 ways as a sum of consecutive naturals, for example, 122415 + ... + 359284.
It is an arithmetic number, because the mean of its divisors is an integer number (8557882200).
Almost surely, 257050021065 is an apocalyptic number.
It is an amenable number.
57050021065 is a deficient number, since it is larger than the sum of its proper divisors (11413036535).
57050021065 is a wasteful number, since it uses less digits than its factorization.
57050021065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 505391.
The product of its (nonzero) digits is 10500, while the sum is 31.
The spelling of 57050021065 in words is "fifty-seven billion, fifty million, twenty-one thousand, sixty-five".
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