Base | Representation |
---|---|
bin | 1111010010110… |
… | …01010111001101 |
3 | 22221101220221201 |
4 | 13221121113031 |
5 | 230320323201 |
6 | 20421425501 |
7 | 3115316014 |
oct | 751312715 |
9 | 287356851 |
10 | 128292301 |
11 | 664659a5 |
12 | 36b6b291 |
13 | 2076b407 |
14 | 13077a7b |
15 | b3e2801 |
hex | 7a595cd |
128292301 has 2 divisors, whose sum is σ = 128292302. Its totient is φ = 128292300.
The previous prime is 128292299. The next prime is 128292323. The reversal of 128292301 is 103292821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79655625 + 48636676 = 8925^2 + 6974^2 .
It is a cyclic number.
It is not a de Polignac number, because 128292301 - 21 = 128292299 is a prime.
Together with 128292299, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 128292301.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128292391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64146150 + 64146151.
It is an arithmetic number, because the mean of its divisors is an integer number (64146151).
Almost surely, 2128292301 is an apocalyptic number.
It is an amenable number.
128292301 is a deficient number, since it is larger than the sum of its proper divisors (1).
128292301 is an equidigital number, since it uses as much as digits as its factorization.
128292301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 128292301 is about 11326.6191337045. The cubic root of 128292301 is about 504.3517493391.
The spelling of 128292301 in words is "one hundred twenty-eight million, two hundred ninety-two thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •