Base | Representation |
---|---|
bin | 1100000100100101… |
… | …01000110000111111 |
3 | 121201122221101000220 |
4 | 12002102220300333 |
5 | 101233102002233 |
6 | 2551031552423 |
7 | 316413443532 |
oct | 60222506077 |
9 | 17648841026 |
10 | 6480890943 |
11 | 282632631a |
12 | 130a52b713 |
13 | 7c38c0117 |
14 | 456a2ca19 |
15 | 27de78eb3 |
hex | 1824a8c3f |
6480890943 has 16 divisors (see below), whose sum is σ = 9151914240. Its totient is φ = 4065365376.
The previous prime is 6480890929. The next prime is 6480890947. The reversal of 6480890943 is 3490980846.
It is a happy number.
It is not a de Polignac number, because 6480890943 - 28 = 6480890687 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6480890947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206646 + ... + 235932.
It is an arithmetic number, because the mean of its divisors is an integer number (571994640).
Almost surely, 26480890943 is an apocalyptic number.
6480890943 is a deficient number, since it is larger than the sum of its proper divisors (2671023297).
6480890943 is a wasteful number, since it uses less digits than its factorization.
6480890943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33646.
The product of its (nonzero) digits is 1492992, while the sum is 51.
The square root of 6480890943 is about 80503.9809139896. The cubic root of 6480890943 is about 1864.4249430842.
The spelling of 6480890943 in words is "six billion, four hundred eighty million, eight hundred ninety thousand, nine hundred forty-three".
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