Base | Representation |
---|---|
bin | 10111111001010001… |
… | …00010011111110010 |
3 | 1020010000221021001201 |
4 | 23330220202133302 |
5 | 202233033420312 |
6 | 5520541321414 |
7 | 632620525432 |
oct | 137450423762 |
9 | 36100837051 |
10 | 12828420082 |
11 | 5493343975 |
12 | 25a026626a |
13 | 129598851a |
14 | 899a642c2 |
15 | 50135d557 |
hex | 2fca227f2 |
12828420082 has 8 divisors (see below), whose sum is σ = 20374549596. Its totient is φ = 6036903552.
The previous prime is 12828420079. The next prime is 12828420089. The reversal of 12828420082 is 28002482821.
It can be written as a sum of positive squares in 2 ways, for example, as 12816730521 + 11689561 = 113211^2 + 3419^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×128284200823 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (12828420089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188653203 + ... + 188653270.
Almost surely, 212828420082 is an apocalyptic number.
12828420082 is a deficient number, since it is larger than the sum of its proper divisors (7546129514).
12828420082 is a wasteful number, since it uses less digits than its factorization.
12828420082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377306492.
The product of its (nonzero) digits is 32768, while the sum is 37.
The spelling of 12828420082 in words is "twelve billion, eight hundred twenty-eight million, four hundred twenty thousand, eighty-two".
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