Base | Representation |
---|---|
bin | 1111010100010… |
… | …10001100100111 |
3 | 22221210002100002 |
4 | 13222022030213 |
5 | 230343223302 |
6 | 20430011515 |
7 | 3120111125 |
oct | 752121447 |
9 | 287702302 |
10 | 128492327 |
11 | 66592207 |
12 | 37046b9b |
13 | 2080b482 |
14 | 130ca915 |
15 | b431c02 |
hex | 7a8a327 |
128492327 has 2 divisors, whose sum is σ = 128492328. Its totient is φ = 128492326.
The previous prime is 128492293. The next prime is 128492333. The reversal of 128492327 is 723294821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 128492327 - 26 = 128492263 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128492827) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64246163 + 64246164.
It is an arithmetic number, because the mean of its divisors is an integer number (64246164).
Almost surely, 2128492327 is an apocalyptic number.
128492327 is a deficient number, since it is larger than the sum of its proper divisors (1).
128492327 is an equidigital number, since it uses as much as digits as its factorization.
128492327 is an evil number, because the sum of its binary digits is even.
The product of its digits is 48384, while the sum is 38.
The square root of 128492327 is about 11335.4456021808. The cubic root of 128492327 is about 504.6137320069.
The spelling of 128492327 in words is "one hundred twenty-eight million, four hundred ninety-two thousand, three hundred twenty-seven".
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