Base | Representation |
---|---|
bin | 11001001110010101… |
… | …01101011111001011 |
3 | 1021221202200221120211 |
4 | 30213022231133023 |
5 | 210213224133232 |
6 | 10115432301551 |
7 | 656404164661 |
oct | 144712553713 |
9 | 37852627524 |
10 | 13542021067 |
11 | 581a132953 |
12 | 275b2418b7 |
13 | 137a77a523 |
14 | 92673cc31 |
15 | 543d1aa47 |
hex | 3272ad7cb |
13542021067 has 2 divisors, whose sum is σ = 13542021068. Its totient is φ = 13542021066.
The previous prime is 13542021037. The next prime is 13542021091. The reversal of 13542021067 is 76012024531.
It is a strong prime.
It is an emirp because it is prime and its reverse (76012024531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13542021067 - 219 = 13541496779 is a prime.
It is not a weakly prime, because it can be changed into another prime (13542021037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771010533 + 6771010534.
It is an arithmetic number, because the mean of its divisors is an integer number (6771010534).
Almost surely, 213542021067 is an apocalyptic number.
13542021067 is a deficient number, since it is larger than the sum of its proper divisors (1).
13542021067 is an equidigital number, since it uses as much as digits as its factorization.
13542021067 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10080, while the sum is 31.
Adding to 13542021067 its reverse (76012024531), we get a palindrome (89554045598).
The spelling of 13542021067 in words is "thirteen billion, five hundred forty-two million, twenty-one thousand, sixty-seven".
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