Base | Representation |
---|---|
bin | 1001001001101000010101… |
… | …00111111011101101110011 |
3 | 2122020122122202012021221122 |
4 | 10210310022213323231303 |
5 | 10114140030101202011 |
6 | 110443544245212455 |
7 | 4144526253052532 |
oct | 444641247735563 |
9 | 78218582167848 |
10 | 20122100022131 |
11 | 6458809975938 |
12 | 230b96a70112b |
13 | b2c676596043 |
14 | 4d7cb4458319 |
15 | 24d64e3aa3db |
hex | 124d0a9fbb73 |
20122100022131 has 2 divisors, whose sum is σ = 20122100022132. Its totient is φ = 20122100022130.
The previous prime is 20122100022061. The next prime is 20122100022137. The reversal of 20122100022131 is 13122000122102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20122100022131 - 218 = 20122099759987 is a prime.
It is a super-2 number, since 2×201221000221312 (a number of 27 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (20122100022137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061050011065 + 10061050011066.
It is an arithmetic number, because the mean of its divisors is an integer number (10061050011066).
Almost surely, 220122100022131 is an apocalyptic number.
20122100022131 is a deficient number, since it is larger than the sum of its proper divisors (1).
20122100022131 is an equidigital number, since it uses as much as digits as its factorization.
20122100022131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 20122100022131 its reverse (13122000122102), we get a palindrome (33244100144233).
The spelling of 20122100022131 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •