Base | Representation |
---|---|
bin | 1110001111110110110… |
… | …00010110011110010011 |
3 | 1201210121111101011210020 |
4 | 13013323120112132103 |
5 | 31010043441103141 |
6 | 1012521241034523 |
7 | 50240321610540 |
oct | 7077330263623 |
9 | 1653544334706 |
10 | 489548769171 |
11 | 179686577050 |
12 | 7aa64a85a43 |
13 | 37219b22617 |
14 | 199a11a1bc7 |
15 | cb03342266 |
hex | 71fb616793 |
489548769171 has 32 divisors (see below), whose sum is σ = 832720846848. Its totient is φ = 248396833440.
The previous prime is 489548769133. The next prime is 489548769187. The reversal of 489548769171 is 171967845984.
It is not a de Polignac number, because 489548769171 - 26 = 489548769107 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 489548769096 and 489548769105.
It is not an unprimeable number, because it can be changed into a prime (489548769071) 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 31 ways as a sum of consecutive naturals, for example, 24632611 + ... + 24652476.
It is an arithmetic number, because the mean of its divisors is an integer number (26022526464).
Almost surely, 2489548769171 is an apocalyptic number.
489548769171 is a deficient number, since it is larger than the sum of its proper divisors (343172077677).
489548769171 is a wasteful number, since it uses less digits than its factorization.
489548769171 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49285151.
The product of its digits is 121927680, while the sum is 69.
The spelling of 489548769171 in words is "four hundred eighty-nine billion, five hundred forty-eight million, seven hundred sixty-nine thousand, one hundred seventy-one".
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