Base | Representation |
---|---|
bin | 1111010100001… |
… | …00110100011101 |
3 | 22221201222010022 |
4 | 13222010310131 |
5 | 230342022201 |
6 | 20425321525 |
7 | 3116656661 |
oct | 752046435 |
9 | 287658108 |
10 | 128470301 |
11 | 66577703 |
12 | 370362a5 |
13 | 2080143b |
14 | 130c28a1 |
15 | b42a41b |
hex | 7a84d1d |
128470301 has 2 divisors, whose sum is σ = 128470302. Its totient is φ = 128470300.
The previous prime is 128470297. The next prime is 128470339. The reversal of 128470301 is 103074821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 98505625 + 29964676 = 9925^2 + 5474^2 .
It is an emirp because it is prime and its reverse (103074821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 128470301 - 22 = 128470297 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128400301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64235150 + 64235151.
It is an arithmetic number, because the mean of its divisors is an integer number (64235151).
Almost surely, 2128470301 is an apocalyptic number.
It is an amenable number.
128470301 is a deficient number, since it is larger than the sum of its proper divisors (1).
128470301 is an equidigital number, since it uses as much as digits as its factorization.
128470301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 128470301 is about 11334.4740063225. The cubic root of 128470301 is about 504.5848969330.
The spelling of 128470301 in words is "one hundred twenty-eight million, four hundred seventy thousand, three hundred one".
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