Base | Representation |
---|---|
bin | 11000111110000000… |
… | …10001010001010010 |
3 | 1021121012222220222212 |
4 | 30133000101101102 |
5 | 204423144110242 |
6 | 10054101032122 |
7 | 653122120004 |
oct | 143700212122 |
9 | 37535886885 |
10 | 13405066322 |
11 | 57598a080a |
12 | 27213b5642 |
13 | 135829830b |
14 | 91248c374 |
15 | 536cb6782 |
hex | 31f011452 |
13405066322 has 6 divisors (see below), whose sum is σ = 20107845093. Its totient is φ = 6702451292.
The previous prime is 13405066313. The next prime is 13405066327. The reversal of 13405066322 is 22366050431.
It can be written as a sum of positive squares in 2 ways, for example, as 13381631041 + 23435281 = 115679^2 + 4841^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=81869.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13405066327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122804 + ... + 204672.
Almost surely, 213405066322 is an apocalyptic number.
13405066322 is a deficient number, since it is larger than the sum of its proper divisors (6702778771).
13405066322 is an frugal number, since it uses more digits than its factorization.
13405066322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163740 (or 81871 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 32.
Multiplying 13405066322 by its sum of digits (32), we get a square (428962122304 = 6549522).
The spelling of 13405066322 in words is "thirteen billion, four hundred five million, sixty-six thousand, three hundred twenty-two".
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