Base | Representation |
---|---|
bin | 101111100110… |
… | …111000001000 |
3 | 212111001100112 |
4 | 233212320020 |
5 | 11143330013 |
6 | 1123253452 |
7 | 211035602 |
oct | 57467010 |
9 | 25431315 |
10 | 12480008 |
11 | 7054462 |
12 | 421a288 |
13 | 277c628 |
14 | 192c172 |
15 | 1167ba8 |
hex | be6e08 |
12480008 has 12 divisors (see below), whose sum is σ = 23418765. Its totient is φ = 6235008.
The previous prime is 12479993. The next prime is 12480029. The reversal of 12480008 is 80008421.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
12480008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 103684 = 3518^2 + 322^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=2498.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9368 + ... + 10616.
Almost surely, 212480008 is an apocalyptic number.
It is an amenable number.
12480008 is a deficient number, since it is larger than the sum of its proper divisors (10938757).
12480008 is an frugal number, since it uses more digits than its factorization.
12480008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2504 (or 1251 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 12480008 is about 3532.7054788080. The cubic root of 12480008 is about 231.9556494691.
Multiplying 12480008 by its product of nonzero digits (512), we get a square (6389764096 = 799362).
Adding to 12480008 its reverse (80008421), we get a palindrome (92488429).
The spelling of 12480008 in words is "twelve million, four hundred eighty thousand, eight".
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