Base | Representation |
---|---|
bin | 100101100000011011… |
… | …1010001000001101100 |
3 | 21200220022212021011210 |
4 | 1023000313101001230 |
5 | 2304424022440320 |
6 | 101000225314420 |
7 | 5550661155513 |
oct | 1130067210154 |
9 | 250808767153 |
10 | 80545124460 |
11 | 31182694169 |
12 | 1373a495a10 |
13 | 7798059078 |
14 | 3c8131967a |
15 | 216629c0e0 |
hex | 12c0dd106c |
80545124460 has 48 divisors (see below), whose sum is σ = 225897993216. Its totient is φ = 21443305152.
The previous prime is 80545124411. The next prime is 80545124461. The reversal of 80545124460 is 6442154508.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80545124461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069362 + ... + 1142201.
It is an arithmetic number, because the mean of its divisors is an integer number (4706208192).
Almost surely, 280545124460 is an apocalyptic number.
It is an amenable number.
80545124460 is an abundant number, since it is smaller than the sum of its proper divisors (145352868756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80545124460 is a wasteful number, since it uses less digits than its factorization.
80545124460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2212182 (or 2212180 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 39.
Adding to 80545124460 its reverse (6442154508), we get a palindrome (86987278968).
The spelling of 80545124460 in words is "eighty billion, five hundred forty-five million, one hundred twenty-four thousand, four hundred sixty".
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