Base | Representation |
---|---|
bin | 111011101000011010… |
… | …0101101010011110101 |
3 | 110020112112211112011021 |
4 | 1313100310231103311 |
5 | 4044230211421324 |
6 | 134455005141141 |
7 | 12152246020213 |
oct | 1672064552365 |
9 | 406475745137 |
10 | 128057529589 |
11 | 4a344156390 |
12 | 2099a25a7b1 |
13 | c0ca620b62 |
14 | 62ab507cb3 |
15 | 34e7566ae4 |
hex | 1dd0d2d4f5 |
128057529589 has 16 divisors (see below), whose sum is σ = 141038599680. Its totient is φ = 115300584000.
The previous prime is 128057529527. The next prime is 128057529623. The reversal of 128057529589 is 985925750821.
It is a cyclic number.
It is not a de Polignac number, because 128057529589 - 29 = 128057529077 is a prime.
It is a super-2 number, since 2×1280575295892 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128057529289) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3085999 + ... + 3127219.
It is an arithmetic number, because the mean of its divisors is an integer number (8814912480).
Almost surely, 2128057529589 is an apocalyptic number.
It is an amenable number.
128057529589 is a deficient number, since it is larger than the sum of its proper divisors (12981070091).
128057529589 is a wasteful number, since it uses less digits than its factorization.
128057529589 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43932.
The product of its (nonzero) digits is 18144000, while the sum is 61.
The spelling of 128057529589 in words is "one hundred twenty-eight billion, fifty-seven million, five hundred twenty-nine thousand, five hundred eighty-nine".
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