Base | Representation |
---|---|
bin | 1100000011010001… |
… | …00100000001110000 |
3 | 121200220012000110120 |
4 | 12001220210001300 |
5 | 101222241031423 |
6 | 2545555330240 |
7 | 316220625636 |
oct | 60150440160 |
9 | 17626160416 |
10 | 6469861488 |
11 | 2820082772 |
12 | 13068b0980 |
13 | 7c152ab0c |
14 | 45539b356 |
15 | 27ceeaee3 |
hex | 181a24070 |
6469861488 has 40 divisors (see below), whose sum is σ = 17290150800. Its totient is φ = 2082253824.
The previous prime is 6469861481. The next prime is 6469861501. The reversal of 6469861488 is 8841689646.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6469861481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322553 + ... + 2325336.
It is an arithmetic number, because the mean of its divisors is an integer number (432253770).
Almost surely, 26469861488 is an apocalyptic number.
It is an amenable number.
6469861488 is an abundant number, since it is smaller than the sum of its proper divisors (10820289312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6469861488 is a wasteful number, since it uses less digits than its factorization.
6469861488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4647929 (or 4647923 counting only the distinct ones).
The product of its digits is 15925248, while the sum is 60.
The square root of 6469861488 is about 80435.4491999641. The cubic root of 6469861488 is about 1863.3666900568.
The spelling of 6469861488 in words is "six billion, four hundred sixty-nine million, eight hundred sixty-one thousand, four hundred eighty-eight".
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