Base | Representation |
---|---|
bin | 11010001110111110100001… |
… | …10000010110011110101000 |
3 | 21120021000221002201201202200 |
4 | 31013133100300112132220 |
5 | 30030134444232312423 |
6 | 322410020100100200 |
7 | 15102623232655104 |
oct | 1507372060263650 |
9 | 246230832651680 |
10 | 57689208088488 |
11 | 17421946014199 |
12 | 657867b094660 |
13 | 26260b871a982 |
14 | 103625b760904 |
15 | 6a0966c7cd43 |
hex | 3477d0c167a8 |
57689208088488 has 24 divisors (see below), whose sum is σ = 156241605239850. Its totient is φ = 19229736029472.
The previous prime is 57689208088487. The next prime is 57689208088507. The reversal of 57689208088488 is 88488080298675.
57689208088488 is a `hidden beast` number, since 57 + 6 + 8 + 9 + 2 + 0 + 8 + 0 + 88 + 488 = 666.
57689208088488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 53284422945924 + 4404785142564 = 7299618^2 + 2098758^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×576892080884882 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57689208088487) 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 5 ways as a sum of consecutive naturals, for example, 400619500543 + ... + 400619500686.
Almost surely, 257689208088488 is an apocalyptic number.
It is an amenable number.
57689208088488 is an abundant number, since it is smaller than the sum of its proper divisors (98552397151362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57689208088488 is a wasteful number, since it uses less digits than its factorization.
57689208088488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 801239001241 (or 801239001234 counting only the distinct ones).
The product of its (nonzero) digits is 3963617280, while the sum is 81.
The spelling of 57689208088488 in words is "fifty-seven trillion, six hundred eighty-nine billion, two hundred eight million, eighty-eight thousand, four hundred eighty-eight".
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