Base | Representation |
---|---|
bin | 1111110010101010… |
… | …11001011100100000 |
3 | 210212212001021100222 |
4 | 13321111121130200 |
5 | 114330343301303 |
6 | 3521135102212 |
7 | 420044455262 |
oct | 77125313440 |
9 | 23785037328 |
10 | 8478103328 |
11 | 3660739572 |
12 | 1787371968 |
13 | a515cc6b6 |
14 | 5a5d9db32 |
15 | 34948a938 |
hex | 1f9559720 |
8478103328 has 54 divisors (see below), whose sum is σ = 17151501843. Its totient is φ = 4125242880.
The previous prime is 8478103253. The next prime is 8478103343. The reversal of 8478103328 is 8233018748.
It is a happy number.
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.
It can be written as a sum of positive squares in 5 ways, for example, as 1255143184 + 7222960144 = 35428^2 + 84988^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=65108.
It is a super-3 number, since 3×84781033283 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21355226 + ... + 21355622.
Almost surely, 28478103328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8478103328
8478103328 is an abundant number, since it is smaller than the sum of its proper divisors (8673398515).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8478103328 is an frugal number, since it uses more digits than its factorization.
8478103328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886 (or 440 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 44.
The square root of 8478103328 is about 92076.6166189875. The cubic root of 8478103328 is about 2039.0735996174.
The spelling of 8478103328 in words is "eight billion, four hundred seventy-eight million, one hundred three thousand, three hundred twenty-eight".
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