Base | Representation |
---|---|
bin | 1110010100100… |
… | …00101011011111 |
3 | 22101001020202022 |
4 | 13022100223133 |
5 | 221223132041 |
6 | 15530450355 |
7 | 2656043012 |
oct | 712205337 |
9 | 271036668 |
10 | 120130271 |
11 | 618a0718 |
12 | 342939bb |
13 | 1bb71301 |
14 | 11d51379 |
15 | a82e24b |
hex | 7290adf |
120130271 has 2 divisors, whose sum is σ = 120130272. Its totient is φ = 120130270.
The previous prime is 120130249. The next prime is 120130273. The reversal of 120130271 is 172031021.
It is a strong prime.
It is an emirp because it is prime and its reverse (172031021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120130271 - 218 = 119868127 is a prime.
Together with 120130273, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120130273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60065135 + 60065136.
It is an arithmetic number, because the mean of its divisors is an integer number (60065136).
Almost surely, 2120130271 is an apocalyptic number.
120130271 is a deficient number, since it is larger than the sum of its proper divisors (1).
120130271 is an equidigital number, since it uses as much as digits as its factorization.
120130271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 120130271 is about 10960.3955676791. The cubic root of 120130271 is about 493.4208369356.
Adding to 120130271 its reverse (172031021), we get a palindrome (292161292).
The spelling of 120130271 in words is "one hundred twenty million, one hundred thirty thousand, two hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •