Base | Representation |
---|---|
bin | 100101101000001001… |
… | …0111101000001101000 |
3 | 21201120101001120122011 |
4 | 1023100102331001220 |
5 | 2310441313301213 |
6 | 101042035005304 |
7 | 5560254004621 |
oct | 1132022750150 |
9 | 251511046564 |
10 | 80804040808 |
11 | 312a5857917 |
12 | 137b1139834 |
13 | 78098a0cca |
14 | 3ca7876a48 |
15 | 217dd9303d |
hex | 12d04bd068 |
80804040808 has 16 divisors (see below), whose sum is σ = 153007653060. Its totient is φ = 40002000000.
The previous prime is 80804040803. The next prime is 80804040859.
80804040808 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 2 ways, for example, as 50950421284 + 29853619524 = 225722^2 + 172782^2 .
It is not an unprimeable number, because it can be changed into a prime (80804040803) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50001693 + ... + 50003308.
Almost surely, 280804040808 is an apocalyptic number.
It is an amenable number.
80804040808 is a deficient number, since it is larger than the sum of its proper divisors (72203612252).
80804040808 is a wasteful number, since it uses less digits than its factorization.
80804040808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100005108 (or 100005104 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 40.
It can be divided in two parts, 808040 and 40808, that added together give a palindrome (848848).
The spelling of 80804040808 in words is "eighty billion, eight hundred four million, forty thousand, eight hundred eight".
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