Base | Representation |
---|---|
bin | 1111010010111… |
… | …01010100000011 |
3 | 22221102202011001 |
4 | 13221131110003 |
5 | 230321332413 |
6 | 20422032431 |
7 | 3115414132 |
oct | 751352403 |
9 | 287382131 |
10 | 128308483 |
11 | 66477076 |
12 | 36b78717 |
13 | 207758a4 |
14 | 1307d919 |
15 | b3e74dd |
hex | 7a5d503 |
128308483 has 2 divisors, whose sum is σ = 128308484. Its totient is φ = 128308482.
The previous prime is 128308457. The next prime is 128308507. The reversal of 128308483 is 384803821.
It is a strong prime.
It is an emirp because it is prime and its reverse (384803821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 128308483 - 217 = 128177411 is a prime.
It is a super-2 number, since 2×1283084832 = 32926133619522578, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (128308423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64154241 + 64154242.
It is an arithmetic number, because the mean of its divisors is an integer number (64154242).
Almost surely, 2128308483 is an apocalyptic number.
128308483 is a deficient number, since it is larger than the sum of its proper divisors (1).
128308483 is an equidigital number, since it uses as much as digits as its factorization.
128308483 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 128308483 is about 11327.3334461382. Note that the first 3 decimals coincide. The cubic root of 128308483 is about 504.3729537211.
The spelling of 128308483 in words is "one hundred twenty-eight million, three hundred eight thousand, four hundred eighty-three".
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