Base | Representation |
---|---|
bin | 11010010100011111110100… |
… | …01001011000101001111000 |
3 | 21120221011111201220220220201 |
4 | 31022033322021120221320 |
5 | 30041241422023443010 |
6 | 323033105122331544 |
7 | 15122416425532342 |
oct | 1512177211305170 |
9 | 246834451826821 |
10 | 57878881077880 |
11 | 17495328518485 |
12 | 65a93941b9bb4 |
13 | 263ac55385485 |
14 | 10414d20b8292 |
15 | 6a586879c23a |
hex | 34a3fa258a78 |
57878881077880 has 32 divisors (see below), whose sum is σ = 132684604740000. Its totient is φ = 22714730686336.
The previous prime is 57878881077811. The next prime is 57878881077887. The reversal of 57878881077880 is 8877018887875.
57878881077880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 57878881077794 and 57878881077803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57878881077887) 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 7 ways as a sum of consecutive naturals, for example, 13650677380 + ... + 13650681619.
It is an arithmetic number, because the mean of its divisors is an integer number (4146393898125).
Almost surely, 257878881077880 is an apocalyptic number.
It is an amenable number.
57878881077880 is an abundant number, since it is smaller than the sum of its proper divisors (74805723662120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57878881077880 is a wasteful number, since it uses less digits than its factorization.
57878881077880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27301359063 (or 27301359059 counting only the distinct ones).
The product of its (nonzero) digits is 3147038720, while the sum is 82.
The spelling of 57878881077880 in words is "fifty-seven trillion, eight hundred seventy-eight billion, eight hundred eighty-one million, seventy-seven thousand, eight hundred eighty".
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