Base | Representation |
---|---|
bin | 1110010000010000000… |
… | …10011100100100111111 |
3 | 1201211011021222021012022 |
4 | 13020020002130210333 |
5 | 31011012322141230 |
6 | 1012554304430355 |
7 | 50245510631645 |
oct | 7101002344477 |
9 | 1654137867168 |
10 | 489761130815 |
11 | 179785432540 |
12 | 7ab040183bb |
13 | 37251b173b8 |
14 | 199c1481195 |
15 | cb16cde1e5 |
hex | 720809c93f |
489761130815 has 32 divisors (see below), whose sum is σ = 651845698560. Its totient is φ = 350279280000.
The previous prime is 489761130797. The next prime is 489761130823. The reversal of 489761130815 is 518031167984.
It is not a de Polignac number, because 489761130815 - 230 = 488687388991 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866057 + ... + 1315133.
It is an arithmetic number, because the mean of its divisors is an integer number (20370178080).
Almost surely, 2489761130815 is an apocalyptic number.
489761130815 is a deficient number, since it is larger than the sum of its proper divisors (162084567745).
489761130815 is a wasteful number, since it uses less digits than its factorization.
489761130815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449423.
The product of its (nonzero) digits is 1451520, while the sum is 53.
The spelling of 489761130815 in words is "four hundred eighty-nine billion, seven hundred sixty-one million, one hundred thirty thousand, eight hundred fifteen".
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