Base | Representation |
---|---|
bin | 100101100011100011… |
… | …1110001000011000101 |
3 | 21201011122102020200102 |
4 | 1023013013301003011 |
5 | 2310132412110341 |
6 | 101014455453445 |
7 | 5553404436266 |
oct | 1130707610305 |
9 | 251148366612 |
10 | 80650113221 |
11 | 31226982837 |
12 | 13769687285 |
13 | 77b3a284b2 |
14 | 3c9124896d |
15 | 21705d9c9b |
hex | 12c71f10c5 |
80650113221 has 4 divisors (see below), whose sum is σ = 80655475392. Its totient is φ = 80644751052.
The previous prime is 80650113209. The next prime is 80650113241. The reversal of 80650113221 is 12231105608.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 80650113221 - 222 = 80645918917 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80650113241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658461 + ... + 2688626.
It is an arithmetic number, because the mean of its divisors is an integer number (20163868848).
Almost surely, 280650113221 is an apocalyptic number.
It is an amenable number.
80650113221 is a deficient number, since it is larger than the sum of its proper divisors (5362171).
80650113221 is a wasteful number, since it uses less digits than its factorization.
80650113221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5362170.
The product of its (nonzero) digits is 2880, while the sum is 29.
Adding to 80650113221 its reverse (12231105608), we get a palindrome (92881218829).
The spelling of 80650113221 in words is "eighty billion, six hundred fifty million, one hundred thirteen thousand, two hundred twenty-one".
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