Base | Representation |
---|---|
bin | 110111111110110110… |
… | …0000101101100100111 |
3 | 102111022100201112102121 |
4 | 1233331230011230213 |
5 | 3432202344412221 |
6 | 131121202250411 |
7 | 11454112530343 |
oct | 1577554055447 |
9 | 374270645377 |
10 | 120220310311 |
11 | 46a9225a562 |
12 | 1b371656a07 |
13 | b44ba330ba |
14 | 5b666d4623 |
15 | 31d94c2a41 |
hex | 1bfdb05b27 |
120220310311 has 2 divisors, whose sum is σ = 120220310312. Its totient is φ = 120220310310.
The previous prime is 120220310293. The next prime is 120220310323. The reversal of 120220310311 is 113013022021.
It is a strong prime.
It is an emirp because it is prime and its reverse (113013022021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120220310311 - 27 = 120220310183 is a prime.
It is a super-2 number, since 2×1202203103112 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120220310351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110155155 + 60110155156.
It is an arithmetic number, because the mean of its divisors is an integer number (60110155156).
Almost surely, 2120220310311 is an apocalyptic number.
120220310311 is a deficient number, since it is larger than the sum of its proper divisors (1).
120220310311 is an equidigital number, since it uses as much as digits as its factorization.
120220310311 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 120220310311 its reverse (113013022021), we get a palindrome (233233332332).
The spelling of 120220310311 in words is "one hundred twenty billion, two hundred twenty million, three hundred ten thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.134 sec. • engine limits •