Base | Representation |
---|---|
bin | 1110001111111001110… |
… | …10011111011001000101 |
3 | 1201210200021210020002211 |
4 | 13013330322133121011 |
5 | 31010122032331223 |
6 | 1012524000303421 |
7 | 50241053360404 |
oct | 7077472373105 |
9 | 1653607706084 |
10 | 489574495813 |
11 | 17969a048937 |
12 | 7aa71611b71 |
13 | 3722225c4a0 |
14 | 199a477b63b |
15 | cb05724d0d |
hex | 71fce9f645 |
489574495813 has 32 divisors (see below), whose sum is σ = 568273305600. Its totient is φ = 417891047616.
The previous prime is 489574495811. The next prime is 489574495829. The reversal of 489574495813 is 318594475984.
It is not a de Polignac number, because 489574495813 - 21 = 489574495811 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489574495811) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16543356 + ... + 16572922.
It is an arithmetic number, because the mean of its divisors is an integer number (17758540800).
Almost surely, 2489574495813 is an apocalyptic number.
489574495813 is a gapful number since it is divisible by the number (43) formed by its first and last digit.
It is an amenable number.
489574495813 is a deficient number, since it is larger than the sum of its proper divisors (78698809787).
489574495813 is a wasteful number, since it uses less digits than its factorization.
489574495813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31201.
The product of its digits is 174182400, while the sum is 67.
The spelling of 489574495813 in words is "four hundred eighty-nine billion, five hundred seventy-four million, four hundred ninety-five thousand, eight hundred thirteen".
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