Base | Representation |
---|---|
bin | 1100000101011111… |
… | …01000001110010001 |
3 | 121202012020111012200 |
4 | 12002233220032101 |
5 | 101242023202042 |
6 | 2551502513413 |
7 | 316535156040 |
oct | 60257501621 |
9 | 17665214180 |
10 | 6488490897 |
11 | 282a647279 |
12 | 1310b95869 |
13 | 7c5351435 |
14 | 457a4a557 |
15 | 27e97ac4c |
hex | 182be8391 |
6488490897 has 24 divisors (see below), whose sum is σ = 10717200000. Its totient is φ = 3705618240.
The previous prime is 6488490893. The next prime is 6488490907. The reversal of 6488490897 is 7980948846.
6488490897 is a `hidden beast` number, since 64 + 8 + 8 + 490 + 89 + 7 = 666.
6488490897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 6488490897 - 22 = 6488490893 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (6488490893) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87229 + ... + 143477.
It is an arithmetic number, because the mean of its divisors is an integer number (446550000).
Almost surely, 26488490897 is an apocalyptic number.
It is an amenable number.
6488490897 is a deficient number, since it is larger than the sum of its proper divisors (4228709103).
6488490897 is a wasteful number, since it uses less digits than its factorization.
6488490897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58093 (or 58090 counting only the distinct ones).
The product of its (nonzero) digits is 27869184, while the sum is 63.
The square root of 6488490897 is about 80551.1694328518. The cubic root of 6488490897 is about 1865.1534441908.
The spelling of 6488490897 in words is "six billion, four hundred eighty-eight million, four hundred ninety thousand, eight hundred ninety-seven".
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