Base | Representation |
---|---|
bin | 100101011111001110… |
… | …0110101001111111100 |
3 | 21200210111200110122011 |
4 | 1022332130311033330 |
5 | 2304333141444013 |
6 | 100552221501004 |
7 | 5546660103505 |
oct | 1127634651774 |
9 | 250714613564 |
10 | 80504640508 |
11 | 31161852a56 |
12 | 13728a11764 |
13 | 778c853176 |
14 | 3c79bbbbac |
15 | 2162951c3d |
hex | 12be7353fc |
80504640508 has 6 divisors (see below), whose sum is σ = 140883120896. Its totient is φ = 40252320252.
The previous prime is 80504640499. The next prime is 80504640509.
80504640508 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80504640509) 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 as a sum of consecutive naturals, namely, 10063080060 + ... + 10063080067.
Almost surely, 280504640508 is an apocalyptic number.
It is an amenable number.
80504640508 is a deficient number, since it is larger than the sum of its proper divisors (60378480388).
80504640508 is a wasteful number, since it uses less digits than its factorization.
80504640508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20126160131 (or 20126160129 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 40.
The spelling of 80504640508 in words is "eighty billion, five hundred four million, six hundred forty thousand, five hundred eight".
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