Base | Representation |
---|---|
bin | 111000111010110001… |
… | …1100010011000011011 |
3 | 102200111111211010220021 |
4 | 1301311203202120123 |
5 | 4000312210200202 |
6 | 132052521411311 |
7 | 11555002125406 |
oct | 1616543423033 |
9 | 380444733807 |
10 | 122231334427 |
11 | 47924446764 |
12 | 1b833039b37 |
13 | b6ac56a1b7 |
14 | 5cb781cd3d |
15 | 32a5d11a37 |
hex | 1c758e261b |
122231334427 has 2 divisors, whose sum is σ = 122231334428. Its totient is φ = 122231334426.
The previous prime is 122231334409. The next prime is 122231334457. The reversal of 122231334427 is 724433132221.
It is a weak prime.
It is an emirp because it is prime and its reverse (724433132221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122231334427 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122231334392 and 122231334401.
It is not a weakly prime, because it can be changed into another prime (122231334457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61115667213 + 61115667214.
It is an arithmetic number, because the mean of its divisors is an integer number (61115667214).
Almost surely, 2122231334427 is an apocalyptic number.
122231334427 is a deficient number, since it is larger than the sum of its proper divisors (1).
122231334427 is an equidigital number, since it uses as much as digits as its factorization.
122231334427 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 48384, while the sum is 34.
Adding to 122231334427 its reverse (724433132221), we get a palindrome (846664466648).
The spelling of 122231334427 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred thirty-four thousand, four hundred twenty-seven".
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