Base | Representation |
---|---|
bin | 1111010010000… |
… | …01110100001000 |
3 | 22221020000122101 |
4 | 13221001310020 |
5 | 230304231343 |
6 | 20415403144 |
7 | 3114434554 |
oct | 751016410 |
9 | 287200571 |
10 | 128195848 |
11 | 663aa490 |
12 | 36b234b4 |
13 | 20736541 |
14 | 13050864 |
15 | b3c3e4d |
hex | 7a41d08 |
128195848 has 32 divisors (see below), whose sum is σ = 268621920. Its totient is φ = 56848000.
The previous prime is 128195839. The next prime is 128195891. The reversal of 128195848 is 848591821.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 128195798 and 128195807.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14158 + ... + 21373.
It is an arithmetic number, because the mean of its divisors is an integer number (8394435).
Almost surely, 2128195848 is an apocalyptic number.
It is an amenable number.
128195848 is an abundant number, since it is smaller than the sum of its proper divisors (140426072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128195848 is a wasteful number, since it uses less digits than its factorization.
128195848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35589 (or 35585 counting only the distinct ones).
The product of its digits is 184320, while the sum is 46.
The square root of 128195848 is about 11322.3605312673. The cubic root of 128195848 is about 504.2253233699.
The spelling of 128195848 in words is "one hundred twenty-eight million, one hundred ninety-five thousand, eight hundred forty-eight".
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