Base | Representation |
---|---|
bin | 1111010110010… |
… | …11011111001001 |
3 | 22222021200011202 |
4 | 13223023133021 |
5 | 230430303003 |
6 | 20435433545 |
7 | 3122303603 |
oct | 753133711 |
9 | 288250152 |
10 | 128759753 |
11 | 66755121 |
12 | 371558b5 |
13 | 208a3105 |
14 | 1315a173 |
15 | b486088 |
hex | 7acb7c9 |
128759753 has 2 divisors, whose sum is σ = 128759754. Its totient is φ = 128759752.
The previous prime is 128759723. The next prime is 128759767. The reversal of 128759753 is 357957821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 79085449 + 49674304 = 8893^2 + 7048^2 .
It is a cyclic number.
It is not a de Polignac number, because 128759753 - 212 = 128755657 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 128759698 and 128759707.
It is not a weakly prime, because it can be changed into another prime (128759723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64379876 + 64379877.
It is an arithmetic number, because the mean of its divisors is an integer number (64379877).
Almost surely, 2128759753 is an apocalyptic number.
It is an amenable number.
128759753 is a deficient number, since it is larger than the sum of its proper divisors (1).
128759753 is an equidigital number, since it uses as much as digits as its factorization.
128759753 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 529200, while the sum is 47.
The square root of 128759753 is about 11347.2354783004. The cubic root of 128759753 is about 504.9635669563.
The spelling of 128759753 in words is "one hundred twenty-eight million, seven hundred fifty-nine thousand, seven hundred fifty-three".
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