Base | Representation |
---|---|
bin | 100101011110101110… |
… | …0101101111111001010 |
3 | 21200202100001120211002 |
4 | 1022331130231333022 |
5 | 2304314341133141 |
6 | 100550421335002 |
7 | 5546364203561 |
oct | 1127534557712 |
9 | 250670046732 |
10 | 80487833546 |
11 | 311533136aa |
12 | 13723267462 |
13 | 778921a213 |
14 | 3c77884bd8 |
15 | 2161231e9b |
hex | 12bd72dfca |
80487833546 has 8 divisors (see below), whose sum is σ = 120846845700. Its totient is φ = 40205551648.
The previous prime is 80487833477. The next prime is 80487833549. The reversal of 80487833546 is 64533878408.
It can be written as a sum of positive squares in 2 ways, for example, as 76377613225 + 4110220321 = 276365^2 + 64111^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 80487833491 and 80487833500.
It is not an unprimeable number, because it can be changed into a prime (80487833549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19179941 + ... + 19184136.
Almost surely, 280487833546 is an apocalyptic number.
80487833546 is a deficient number, since it is larger than the sum of its proper divisors (40359012154).
80487833546 is a wasteful number, since it uses less digits than its factorization.
80487833546 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38365128.
The product of its (nonzero) digits is 15482880, while the sum is 56.
The spelling of 80487833546 in words is "eighty billion, four hundred eighty-seven million, eight hundred thirty-three thousand, five hundred forty-six".
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