Base | Representation |
---|---|
bin | 11001101111101110… |
… | …00101000000111111 |
3 | 1022200021200210010201 |
4 | 30313313011000333 |
5 | 211301423242411 |
6 | 10203315144331 |
7 | 666344542261 |
oct | 146767050077 |
9 | 38607623121 |
10 | 13822087231 |
11 | 5953231797 |
12 | 2818ba50a7 |
13 | 13c37b9054 |
14 | 951a03b31 |
15 | 55d6dd3c1 |
hex | 337dc503f |
13822087231 has 2 divisors, whose sum is σ = 13822087232. Its totient is φ = 13822087230.
The previous prime is 13822087207. The next prime is 13822087243. The reversal of 13822087231 is 13278022831.
It is a strong prime.
It is an emirp because it is prime and its reverse (13278022831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13822087231 - 223 = 13813698623 is a prime.
It is a super-2 number, since 2×138220872312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13822027231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911043615 + 6911043616.
It is an arithmetic number, because the mean of its divisors is an integer number (6911043616).
Almost surely, 213822087231 is an apocalyptic number.
13822087231 is a deficient number, since it is larger than the sum of its proper divisors (1).
13822087231 is an equidigital number, since it uses as much as digits as its factorization.
13822087231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 37.
The spelling of 13822087231 in words is "thirteen billion, eight hundred twenty-two million, eighty-seven thousand, two hundred thirty-one".
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