Base | Representation |
---|---|
bin | 100101100100101000… |
… | …1100010101011100100 |
3 | 21201021011101011220221 |
4 | 1023021101202223210 |
5 | 2310221133331434 |
6 | 101022225534124 |
7 | 5554323432604 |
oct | 1131121425344 |
9 | 251234334827 |
10 | 80686230244 |
11 | 31245301014 |
12 | 137797a4344 |
13 | 77bb362809 |
14 | 3c95d6ac04 |
15 | 21738712b4 |
hex | 12c9462ae4 |
80686230244 has 6 divisors (see below), whose sum is σ = 141200902934. Its totient is φ = 40343115120.
The previous prime is 80686230239. The next prime is 80686230253. The reversal of 80686230244 is 44203268608.
It can be written as a sum of positive squares in only one way, i.e., 40909916644 + 39776313600 = 202262^2 + 199440^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 80686230244.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085778777 + ... + 10085778784.
Almost surely, 280686230244 is an apocalyptic number.
It is an amenable number.
80686230244 is a deficient number, since it is larger than the sum of its proper divisors (60514672690).
80686230244 is a wasteful number, since it uses less digits than its factorization.
80686230244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20171557565 (or 20171557563 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 43.
The spelling of 80686230244 in words is "eighty billion, six hundred eighty-six million, two hundred thirty thousand, two hundred forty-four".
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