Base | Representation |
---|---|
bin | 10110011000000100… |
… | …10110010000111111 |
3 | 1011000012202211010000 |
4 | 23030002112100333 |
5 | 144100323232033 |
6 | 5304014245343 |
7 | 603460453260 |
oct | 131402262077 |
9 | 34005684100 |
10 | 12013102143 |
11 | 51050a0499 |
12 | 23b31b6853 |
13 | 1195aa1383 |
14 | 81d66c967 |
15 | 4a49aca13 |
hex | 2cc09643f |
12013102143 has 20 divisors (see below), whose sum is σ = 20509141840. Its totient is φ = 6864629472.
The previous prime is 12013102121. The next prime is 12013102201. The reversal of 12013102143 is 34120131021.
It is not a de Polignac number, because 12013102143 - 29 = 12013101631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12013102103) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10592998 + ... + 10594131.
It is an arithmetic number, because the mean of its divisors is an integer number (1025457092).
Almost surely, 212013102143 is an apocalyptic number.
12013102143 is a deficient number, since it is larger than the sum of its proper divisors (8496039697).
12013102143 is an equidigital number, since it uses as much as digits as its factorization.
12013102143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21187148 (or 21187139 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 12013102143 its reverse (34120131021), we get a palindrome (46133233164).
The spelling of 12013102143 in words is "twelve billion, thirteen million, one hundred two thousand, one hundred forty-three".
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