Base | Representation |
---|---|
bin | 11000101000010101… |
… | …00011100010011000 |
3 | 1021010112210211102100 |
4 | 30110022203202120 |
5 | 204040120310313 |
6 | 10024043203400 |
7 | 645453313002 |
oct | 142412434230 |
9 | 37115724370 |
10 | 13223213208 |
11 | 5676182887 |
12 | 2690516560 |
13 | 13296c5b1a |
14 | 8d6271372 |
15 | 525d44173 |
hex | 3142a3898 |
13223213208 has 24 divisors (see below), whose sum is σ = 35812869300. Its totient is φ = 4407737712.
The previous prime is 13223213183. The next prime is 13223213231. The reversal of 13223213208 is 80231232231.
It is a happy number.
13223213208 is a `hidden beast` number, since 13 + 2 + 2 + 321 + 320 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 91827798 + ... + 91827941.
Almost surely, 213223213208 is an apocalyptic number.
13223213208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13223213208 is an abundant number, since it is smaller than the sum of its proper divisors (22589656092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13223213208 is a wasteful number, since it uses less digits than its factorization.
13223213208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183655751 (or 183655744 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 13223213208 its reverse (80231232231), we get a palindrome (93454445439).
The spelling of 13223213208 in words is "thirteen billion, two hundred twenty-three million, two hundred thirteen thousand, two hundred eight".
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