Base | Representation |
---|---|
bin | 111000111011000100… |
… | …0100001101111000101 |
3 | 102200112012001210020122 |
4 | 1301312020201233011 |
5 | 4000322200443414 |
6 | 132053505311325 |
7 | 11555150422541 |
oct | 1616610415705 |
9 | 380465053218 |
10 | 122241031109 |
11 | 47929969a4a |
12 | 1b836335545 |
13 | b6b1583992 |
14 | 5cb8c24a21 |
15 | 32a6ac9b8e |
hex | 1c76221bc5 |
122241031109 has 2 divisors, whose sum is σ = 122241031110. Its totient is φ = 122241031108.
The previous prime is 122241031021. The next prime is 122241031123. The reversal of 122241031109 is 901130142221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 114499670884 + 7741360225 = 338378^2 + 87985^2 .
It is an emirp because it is prime and its reverse (901130142221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122241031109 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122241034109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61120515554 + 61120515555.
It is an arithmetic number, because the mean of its divisors is an integer number (61120515555).
Almost surely, 2122241031109 is an apocalyptic number.
It is an amenable number.
122241031109 is a deficient number, since it is larger than the sum of its proper divisors (1).
122241031109 is an equidigital number, since it uses as much as digits as its factorization.
122241031109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 26.
The spelling of 122241031109 in words is "one hundred twenty-two billion, two hundred forty-one million, thirty-one thousand, one hundred nine".
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