Base | Representation |
---|---|
bin | 111000111011001010… |
… | …1001001100111010101 |
3 | 102200112102021220102212 |
4 | 1301312111021213111 |
5 | 4000324022341211 |
6 | 132054104243205 |
7 | 11555220514145 |
oct | 1616625114725 |
9 | 380472256385 |
10 | 122244340181 |
11 | 4793081a117 |
12 | 1b837470505 |
13 | b6b2171c02 |
14 | 5cb9446925 |
15 | 32a703038b |
hex | 1c765499d5 |
122244340181 has 2 divisors, whose sum is σ = 122244340182. Its totient is φ = 122244340180.
The previous prime is 122244340147. The next prime is 122244340243. The reversal of 122244340181 is 181043442221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 121912007281 + 332332900 = 349159^2 + 18230^2 .
It is a cyclic number.
It is not a de Polignac number, because 122244340181 - 226 = 122177231317 is a prime.
It is a super-2 number, since 2×1222443401812 (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 (122244340081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61122170090 + 61122170091.
It is an arithmetic number, because the mean of its divisors is an integer number (61122170091).
Almost surely, 2122244340181 is an apocalyptic number.
It is an amenable number.
122244340181 is a deficient number, since it is larger than the sum of its proper divisors (1).
122244340181 is an equidigital number, since it uses as much as digits as its factorization.
122244340181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12288, while the sum is 32.
The spelling of 122244340181 in words is "one hundred twenty-two billion, two hundred forty-four million, three hundred forty thousand, one hundred eighty-one".
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