Base | Representation |
---|---|
bin | 111011111101100101… |
… | …0111100010100010101 |
3 | 110022101001201020010101 |
4 | 1313323022330110111 |
5 | 4102204102020201 |
6 | 135053305054101 |
7 | 12205663644262 |
oct | 1677312742425 |
9 | 408331636111 |
10 | 128768001301 |
11 | 4a6791a8295 |
12 | 20b58187331 |
13 | c1b1888714 |
14 | 6337a0a269 |
15 | 3539b06d01 |
hex | 1dfb2bc515 |
128768001301 has 8 divisors (see below), whose sum is σ = 131198975000. Its totient is φ = 126347351040.
The previous prime is 128768001281. The next prime is 128768001331. The reversal of 128768001301 is 103100867821.
It can be written as a sum of positive squares in 4 ways, for example, as 5286744100 + 123481257201 = 72710^2 + 351399^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128768001301 - 29 = 128768000789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128768001331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555676 + ... + 2605573.
It is an arithmetic number, because the mean of its divisors is an integer number (16399871875).
Almost surely, 2128768001301 is an apocalyptic number.
It is an amenable number.
128768001301 is a deficient number, since it is larger than the sum of its proper divisors (2430973699).
128768001301 is an equidigital number, since it uses as much as digits as its factorization.
128768001301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5161719.
The product of its (nonzero) digits is 16128, while the sum is 37.
The spelling of 128768001301 in words is "one hundred twenty-eight billion, seven hundred sixty-eight million, one thousand, three hundred one".
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