Base | Representation |
---|---|
bin | 1111010110001… |
… | …10000000000011 |
3 | 22222020112100112 |
4 | 13223012000003 |
5 | 230424043113 |
6 | 20435141535 |
7 | 3122151233 |
oct | 753060003 |
9 | 288215315 |
10 | 128737283 |
11 | 6673a254 |
12 | 371448ab |
13 | 20895b0c |
14 | 13151cc3 |
15 | b47e5a8 |
hex | 7ac6003 |
128737283 has 2 divisors, whose sum is σ = 128737284. Its totient is φ = 128737282.
The previous prime is 128737223. The next prime is 128737289. The reversal of 128737283 is 382737821.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-128737283 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 128737283.
It is not a weakly prime, because it can be changed into another prime (128737289) by changing a digit.
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 as a sum of consecutive naturals, namely, 64368641 + 64368642.
It is an arithmetic number, because the mean of its divisors is an integer number (64368642).
Almost surely, 2128737283 is an apocalyptic number.
128737283 is a deficient number, since it is larger than the sum of its proper divisors (1).
128737283 is an equidigital number, since it uses as much as digits as its factorization.
128737283 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 112896, while the sum is 41.
The square root of 128737283 is about 11346.2453260980. The cubic root of 128737283 is about 504.9341913396.
The spelling of 128737283 in words is "one hundred twenty-eight million, seven hundred thirty-seven thousand, two hundred eighty-three".
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