Base | Representation |
---|---|
bin | 100101011001110000… |
… | …0010110001001010100 |
3 | 21200022201011012002201 |
4 | 1022303200112021110 |
5 | 2303444134343213 |
6 | 100522102014244 |
7 | 5542300224355 |
oct | 1126340261124 |
9 | 250281135081 |
10 | 80321012308 |
11 | 31078132409 |
12 | 13697417384 |
13 | 77607aba24 |
14 | 3c5d65bd2c |
15 | 215177d6dd |
hex | 12b3816254 |
80321012308 has 6 divisors (see below), whose sum is σ = 140561771546. Its totient is φ = 40160506152.
The previous prime is 80321012297. The next prime is 80321012309.
80321012308 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in only one way, i.e., 76805471044 + 3515541264 = 277138^2 + 59292^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80321012309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040126535 + ... + 10040126542.
Almost surely, 280321012308 is an apocalyptic number.
It is an amenable number.
80321012308 is a deficient number, since it is larger than the sum of its proper divisors (60240759238).
80321012308 is a wasteful number, since it uses less digits than its factorization.
80321012308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20080253081 (or 20080253079 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
It can be divided in two parts, 803210 and 12308, that added together give a palindrome (815518).
The spelling of 80321012308 in words is "eighty billion, three hundred twenty-one million, twelve thousand, three hundred eight".
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