Base | Representation |
---|---|
bin | 11000011110110010… |
… | …11101011010101100 |
3 | 1020220222022110212121 |
4 | 30033121131122230 |
5 | 203404131443340 |
6 | 10012105042324 |
7 | 643462435054 |
oct | 141731353254 |
9 | 36828273777 |
10 | 13143234220 |
11 | 5635016446 |
12 | 26697863a4 |
13 | 1315c7218c |
14 | 8c97b2564 |
15 | 51dce694a |
hex | 30f65d6ac |
13143234220 has 48 divisors (see below), whose sum is σ = 27912407040. Its totient is φ = 5198045184.
The previous prime is 13143234199. The next prime is 13143234229. The reversal of 13143234220 is 2243234131.
It is not an unprimeable number, because it can be changed into a prime (13143234229) 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, 2478612 + ... + 2483908.
It is an arithmetic number, because the mean of its divisors is an integer number (581508480).
Almost surely, 213143234220 is an apocalyptic number.
13143234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13143234220 is an abundant number, since it is smaller than the sum of its proper divisors (14769172820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13143234220 is a wasteful number, since it uses less digits than its factorization.
13143234220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6682 (or 6680 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 13143234220 its reverse (2243234131), we get a palindrome (15386468351).
The spelling of 13143234220 in words is "thirteen billion, one hundred forty-three million, two hundred thirty-four thousand, two hundred twenty".
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