Base | Representation |
---|---|
bin | 11000011110110010… |
… | …11001111111110011 |
3 | 1020220222021202122202 |
4 | 30033121121333303 |
5 | 203404131021321 |
6 | 10012104453415 |
7 | 643462346162 |
oct | 141731317763 |
9 | 36828252582 |
10 | 13143220211 |
11 | 5635006970 |
12 | 266977a26b |
13 | 1315c689a4 |
14 | 8c97ab3d9 |
15 | 51dce270b |
hex | 30f659ff3 |
13143220211 has 16 divisors (see below), whose sum is σ = 15243759360. Its totient is φ = 11213236320.
The previous prime is 13143220171. The next prime is 13143220231. The reversal of 13143220211 is 11202234131.
It is not a de Polignac number, because 13143220211 - 26 = 13143220147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13143220231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476681 + ... + 503498.
It is an arithmetic number, because the mean of its divisors is an integer number (952734960).
Almost surely, 213143220211 is an apocalyptic number.
13143220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13143220211 is a deficient number, since it is larger than the sum of its proper divisors (2100539149).
13143220211 is a wasteful number, since it uses less digits than its factorization.
13143220211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 980266.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 13143220211 its reverse (11202234131), we get a palindrome (24345454342).
The spelling of 13143220211 in words is "thirteen billion, one hundred forty-three million, two hundred twenty thousand, two hundred eleven".
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