Base | Representation |
---|---|
bin | 1111001000111110… |
… | …11110101011101010 |
3 | 202222111001202110000 |
4 | 13210133132223222 |
5 | 113121334042212 |
6 | 3422324203430 |
7 | 405300320100 |
oct | 74437365352 |
9 | 22874052400 |
10 | 8128424682 |
11 | 34a1313854 |
12 | 16aa239576 |
13 | 9c7029861 |
14 | 571777c70 |
15 | 3289171dc |
hex | 1e47deaea |
8128424682 has 120 divisors (see below), whose sum is σ = 21639144384. Its totient is φ = 2272889808.
The previous prime is 8128424671. The next prime is 8128424699. The reversal of 8128424682 is 2864248218.
It is a super-2 number, since 2×81284246822 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 362193 + ... + 383979.
Almost surely, 28128424682 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8128424682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10819572192).
8128424682 is an abundant number, since it is smaller than the sum of its proper divisors (13510719702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8128424682 is a wasteful number, since it uses less digits than its factorization.
8128424682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21862 (or 21846 counting only the distinct ones).
The product of its digits is 393216, while the sum is 45.
The square root of 8128424682 is about 90157.7766030197. The cubic root of 8128424682 is about 2010.6452951498.
The spelling of 8128424682 in words is "eight billion, one hundred twenty-eight million, four hundred twenty-four thousand, six hundred eighty-two".
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