Base | Representation |
---|---|
bin | 10111110110101101… |
… | …10101011110011011 |
3 | 1020001112122002222211 |
4 | 23323112311132123 |
5 | 202212043031021 |
6 | 5514454255551 |
7 | 632240502166 |
oct | 137326653633 |
9 | 36045562884 |
10 | 12807002011 |
11 | 5482245191 |
12 | 25950575b7 |
13 | 12913c97cb |
14 | 896c8aadd |
15 | 4ee52c3e1 |
hex | 2fb5b579b |
12807002011 has 16 divisors (see below), whose sum is σ = 13420058400. Its totient is φ = 12205847808.
The previous prime is 12807002009. The next prime is 12807002057. The reversal of 12807002011 is 11020070821.
It is not a de Polignac number, because 12807002011 - 21 = 12807002009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12807002311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655725 + ... + 1663441.
It is an arithmetic number, because the mean of its divisors is an integer number (838753650).
Almost surely, 212807002011 is an apocalyptic number.
12807002011 is a deficient number, since it is larger than the sum of its proper divisors (613056389).
12807002011 is an equidigital number, since it uses as much as digits as its factorization.
12807002011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8478.
The product of its (nonzero) digits is 224, while the sum is 22.
Adding to 12807002011 its reverse (11020070821), we get a palindrome (23827072832).
The spelling of 12807002011 in words is "twelve billion, eight hundred seven million, two thousand, eleven".
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