Base | Representation |
---|---|
bin | 11000100111000000… |
… | …10000001111011111 |
3 | 1021002202221110001122 |
4 | 30103200100033133 |
5 | 204024300433002 |
6 | 10023005401155 |
7 | 645260126216 |
oct | 142340201737 |
9 | 37082843048 |
10 | 13212124127 |
11 | 566a999454 |
12 | 26888691bb |
13 | 1327312637 |
14 | 8d49c607d |
15 | 524da36a2 |
hex | 3138103df |
13212124127 has 2 divisors, whose sum is σ = 13212124128. Its totient is φ = 13212124126.
The previous prime is 13212124111. The next prime is 13212124129. The reversal of 13212124127 is 72142121231.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13212124127 - 24 = 13212124111 is a prime.
Together with 13212124129, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 13212124096 and 13212124105.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13212124129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606062063 + 6606062064.
It is an arithmetic number, because the mean of its divisors is an integer number (6606062064).
Almost surely, 213212124127 is an apocalyptic number.
13212124127 is a deficient number, since it is larger than the sum of its proper divisors (1).
13212124127 is an equidigital number, since it uses as much as digits as its factorization.
13212124127 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1344, while the sum is 26.
Adding to 13212124127 its reverse (72142121231), we get a palindrome (85354245358).
The spelling of 13212124127 in words is "thirteen billion, two hundred twelve million, one hundred twenty-four thousand, one hundred twenty-seven".
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