Base | Representation |
---|---|
bin | 10111101110110011… |
… | …01100101001010011 |
3 | 1012212220202202002220 |
4 | 23313121230221103 |
5 | 202043101042121 |
6 | 5504124112123 |
7 | 630503452656 |
oct | 136731545123 |
9 | 35786682086 |
10 | 12740643411 |
11 | 5448840a71 |
12 | 2576995643 |
13 | 1280734572 |
14 | 88c13589d |
15 | 4e87c06c6 |
hex | 2f766ca53 |
12740643411 has 8 divisors (see below), whose sum is σ = 16988081040. Its totient is φ = 8493484032.
The previous prime is 12740643379. The next prime is 12740643463. The reversal of 12740643411 is 11434604721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12740643411 - 25 = 12740643379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12740643481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88755 + ... + 182643.
It is an arithmetic number, because the mean of its divisors is an integer number (2123510130).
Almost surely, 212740643411 is an apocalyptic number.
12740643411 is a deficient number, since it is larger than the sum of its proper divisors (4247437629).
12740643411 is an equidigital number, since it uses as much as digits as its factorization.
12740643411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139125.
The product of its (nonzero) digits is 16128, while the sum is 33.
The spelling of 12740643411 in words is "twelve billion, seven hundred forty million, six hundred forty-three thousand, four hundred eleven".
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