Base | Representation |
---|---|
bin | 111000110110000010… |
… | …0001100001011001101 |
3 | 102200002102020022120222 |
4 | 1301230010030023031 |
5 | 4000000430401221 |
6 | 132025033121125 |
7 | 11551026626411 |
oct | 1615404141315 |
9 | 380072208528 |
10 | 122072122061 |
11 | 4785259209a |
12 | 1b7a98591a5 |
13 | b6855940b6 |
14 | 5ca0616d41 |
15 | 3296d629ab |
hex | 1c6c10c2cd |
122072122061 has 2 divisors, whose sum is σ = 122072122062. Its totient is φ = 122072122060.
The previous prime is 122072122043. The next prime is 122072122129. The reversal of 122072122061 is 160221270221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 114180464836 + 7891657225 = 337906^2 + 88835^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122072122061 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122072122061.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122072122021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61036061030 + 61036061031.
It is an arithmetic number, because the mean of its divisors is an integer number (61036061031).
Almost surely, 2122072122061 is an apocalyptic number.
It is an amenable number.
122072122061 is a deficient number, since it is larger than the sum of its proper divisors (1).
122072122061 is an equidigital number, since it uses as much as digits as its factorization.
122072122061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1344, while the sum is 26.
Adding to 122072122061 its reverse (160221270221), we get a palindrome (282293392282).
The spelling of 122072122061 in words is "one hundred twenty-two billion, seventy-two million, one hundred twenty-two thousand, sixty-one".
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