Base | Representation |
---|---|
bin | 110101010001101111… |
… | …011110011110100110 |
3 | 12110122210010121220222 |
4 | 311101233132132212 |
5 | 1414124212144300 |
6 | 42140254324342 |
7 | 4063421523035 |
oct | 652157363646 |
9 | 173583117828 |
10 | 57205974950 |
11 | 22296310753 |
12 | b1061b96b2 |
13 | 5518942727 |
14 | 2aa978671c |
15 | 174c2e8785 |
hex | d51bde7a6 |
57205974950 has 36 divisors (see below), whose sum is σ = 113030325492. Its totient is φ = 21536361600.
The previous prime is 57205974937. The next prime is 57205975027. The reversal of 57205974950 is 5947950275.
It is a junction number, because it is equal to n+sod(n) for n = 57205974892 and 57205974901.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1964996 + ... + 1993895.
Almost surely, 257205974950 is an apocalyptic number.
57205974950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57205974950 is a deficient number, since it is larger than the sum of its proper divisors (55824350542).
57205974950 is a wasteful number, since it uses less digits than its factorization.
57205974950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3958937 (or 3958915 counting only the distinct ones).
The product of its (nonzero) digits is 3969000, while the sum is 53.
The spelling of 57205974950 in words is "fifty-seven billion, two hundred five million, nine hundred seventy-four thousand, nine hundred fifty".
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