Base | Representation |
---|---|
bin | 1001100100100… |
… | …01010100100100 |
3 | 12121002000002001 |
4 | 10302101110210 |
5 | 131023141022 |
6 | 11544455044 |
7 | 1663266631 |
oct | 462212444 |
9 | 177060061 |
10 | 80287012 |
11 | 41357903 |
12 | 22a7a484 |
13 | 13830c10 |
14 | a93d188 |
15 | 70adb27 |
hex | 4c91524 |
80287012 has 12 divisors (see below), whose sum is σ = 151310236. Its totient is φ = 37055520.
The previous prime is 80287007. The next prime is 80287033. The reversal of 80287012 is 21078208.
It can be written as a sum of positive squares in 2 ways, for example, as 14092516 + 66194496 = 3754^2 + 8136^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771939 + ... + 772042.
Almost surely, 280287012 is an apocalyptic number.
It is an amenable number.
80287012 is a deficient number, since it is larger than the sum of its proper divisors (71023224).
80287012 is a wasteful number, since it uses less digits than its factorization.
80287012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543998 (or 1543996 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 80287012 is about 8960.3020038389. The cubic root of 80287012 is about 431.4016135121.
The spelling of 80287012 in words is "eighty million, two hundred eighty-seven thousand, twelve".
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