Base | Representation |
---|---|
bin | 1111010011000… |
… | …11101110101000 |
3 | 22221111002012021 |
4 | 13221203232220 |
5 | 230323203020 |
6 | 20422354224 |
7 | 3115553551 |
oct | 751435650 |
9 | 287432167 |
10 | 128334760 |
11 | 66494894 |
12 | 36b8b974 |
13 | 20784838 |
14 | 13089328 |
15 | b4001aa |
hex | 7a63ba8 |
128334760 has 32 divisors (see below), whose sum is σ = 289843200. Its totient is φ = 51140160.
The previous prime is 128334737. The next prime is 128334763. The reversal of 128334760 is 67433821.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (128334763) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4921 + ... + 16759.
It is an arithmetic number, because the mean of its divisors is an integer number (9057600).
Almost surely, 2128334760 is an apocalyptic number.
128334760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128334760 is an abundant number, since it is smaller than the sum of its proper divisors (161508440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128334760 is a wasteful number, since it uses less digits than its factorization.
128334760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12121 (or 12117 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 128334760 is about 11328.4932802205. The cubic root of 128334760 is about 504.4073824748.
The spelling of 128334760 in words is "one hundred twenty-eight million, three hundred thirty-four thousand, seven hundred sixty".
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