Base | Representation |
---|---|
bin | 11011010101100100111011… |
… | …101001000010010110101101 |
3 | 120202200212200211020100021201 |
4 | 123111210323221002112231 |
5 | 111224322040123131341 |
6 | 1103412524142325501 |
7 | 34216221660060541 |
oct | 3325447351022655 |
9 | 522625624210251 |
10 | 120230020130221 |
11 | 353442a0a78591 |
12 | 11599472589891 |
13 | 521184703b6c1 |
14 | 2199242119a21 |
15 | dd76d337d331 |
hex | 6d593ba425ad |
120230020130221 has 4 divisors (see below), whose sum is σ = 122201004066844. Its totient is φ = 118259036193600.
The previous prime is 120230020130189. The next prime is 120230020130291. The reversal of 120230020130221 is 122031020032021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21746506789225 + 98483513340996 = 4663315^2 + 9923886^2 .
It is a cyclic number.
It is not a de Polignac number, because 120230020130221 - 25 = 120230020130189 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 (120230020130291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985491968220 + ... + 985491968341.
It is an arithmetic number, because the mean of its divisors is an integer number (30550251016711).
Almost surely, 2120230020130221 is an apocalyptic number.
It is an amenable number.
120230020130221 is a deficient number, since it is larger than the sum of its proper divisors (1970983936623).
120230020130221 is an equidigital number, since it uses as much as digits as its factorization.
120230020130221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1970983936622.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 120230020130221 its reverse (122031020032021), we get a palindrome (242261040162242).
The spelling of 120230020130221 in words is "one hundred twenty trillion, two hundred thirty billion, twenty million, one hundred thirty thousand, two hundred twenty-one".
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