Base | Representation |
---|---|
bin | 11000011100011010… |
… | …00111101110110101 |
3 | 1020212120122202220001 |
4 | 30032031013232311 |
5 | 203334021104303 |
6 | 10010112111301 |
7 | 643130356525 |
oct | 141615075665 |
9 | 36776582801 |
10 | 13123222453 |
11 | 56247982a0 |
12 | 2662b35531 |
13 | 1311a865b3 |
14 | 8c6c83685 |
15 | 51c19231d |
hex | 30e347bb5 |
13123222453 has 16 divisors (see below), whose sum is σ = 14630575104. Its totient is φ = 11668597360.
The previous prime is 13123222391. The next prime is 13123222487. The reversal of 13123222453 is 35422232131.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13123222453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123222753) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854226 + ... + 869452.
It is an arithmetic number, because the mean of its divisors is an integer number (914410944).
Almost surely, 213123222453 is an apocalyptic number.
It is an amenable number.
13123222453 is a deficient number, since it is larger than the sum of its proper divisors (1507352651).
13123222453 is a wasteful number, since it uses less digits than its factorization.
13123222453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16952.
The product of its digits is 8640, while the sum is 28.
Adding to 13123222453 its reverse (35422232131), we get a palindrome (48545454584).
The spelling of 13123222453 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty-two thousand, four hundred fifty-three".
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