Base | Representation |
---|---|
bin | 11000101000011100… |
… | …11001010110100101 |
3 | 1021010121200222120111 |
4 | 30110032121112211 |
5 | 204040400020234 |
6 | 10024120533021 |
7 | 645465005314 |
oct | 142416312645 |
9 | 37117628514 |
10 | 13224220069 |
11 | 56768002a5 |
12 | 2690921171 |
13 | 13299891b8 |
14 | 8d645427b |
15 | 525e92664 |
hex | 3143995a5 |
13224220069 has 2 divisors, whose sum is σ = 13224220070. Its totient is φ = 13224220068.
The previous prime is 13224220067. The next prime is 13224220133. The reversal of 13224220069 is 96002242231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7210217569 + 6014002500 = 84913^2 + 77550^2 .
It is a cyclic number.
It is not a de Polignac number, because 13224220069 - 21 = 13224220067 is a prime.
It is a super-2 number, since 2×132242200692 (a number of 21 digits) contains 22 as substring.
Together with 13224220067, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13224220069.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13224220063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612110034 + 6612110035.
It is an arithmetic number, because the mean of its divisors is an integer number (6612110035).
Almost surely, 213224220069 is an apocalyptic number.
It is an amenable number.
13224220069 is a deficient number, since it is larger than the sum of its proper divisors (1).
13224220069 is an equidigital number, since it uses as much as digits as its factorization.
13224220069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 31.
The spelling of 13224220069 in words is "thirteen billion, two hundred twenty-four million, two hundred twenty thousand, sixty-nine".
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