Base | Representation |
---|---|
bin | 1110001011100100101… |
… | …01111000000100101000 |
3 | 1201120200021011101220110 |
4 | 13011302111320010220 |
5 | 30440341402014033 |
6 | 1011501150454320 |
7 | 50126333422311 |
oct | 7056225700450 |
9 | 1646607141813 |
10 | 487249641768 |
11 | 1787067a165a |
12 | 7a522b043a0 |
13 | 36c416c46c6 |
14 | 19823abd608 |
15 | ca1b594363 |
hex | 7172578128 |
487249641768 has 32 divisors (see below), whose sum is σ = 1218554251200. Its totient is φ = 162359194368.
The previous prime is 487249641719. The next prime is 487249641773. The reversal of 487249641768 is 867146942784.
It is a junction number, because it is equal to n+sod(n) for n = 487249641699 and 487249641708.
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 7 ways as a sum of consecutive naturals, for example, 3515148 + ... + 3651131.
It is an arithmetic number, because the mean of its divisors is an integer number (38079820350).
Almost surely, 2487249641768 is an apocalyptic number.
It is an amenable number.
487249641768 is an abundant number, since it is smaller than the sum of its proper divisors (731304609432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487249641768 is a wasteful number, since it uses less digits than its factorization.
487249641768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7169121 (or 7169117 counting only the distinct ones).
The product of its digits is 130056192, while the sum is 66.
The spelling of 487249641768 in words is "four hundred eighty-seven billion, two hundred forty-nine million, six hundred forty-one thousand, seven hundred sixty-eight".
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