Base | Representation |
---|---|
bin | 10111100011110001… |
… | …01100110011001011 |
3 | 1012122110122102022020 |
4 | 23301320230303023 |
5 | 201400403412321 |
6 | 5451020455523 |
7 | 625301065065 |
oct | 136170546313 |
9 | 35573572266 |
10 | 12648107211 |
11 | 5400588173 |
12 | 254b9aa5a3 |
13 | 126750510c |
14 | 87db28735 |
15 | 4e05e24c6 |
hex | 2f1e2cccb |
12648107211 has 4 divisors (see below), whose sum is σ = 16864142952. Its totient is φ = 8432071472.
The previous prime is 12648107191. The next prime is 12648107221. The reversal of 12648107211 is 11270184621.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12648107211 - 29 = 12648106699 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12648107221) 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 3 ways as a sum of consecutive naturals, for example, 2108017866 + ... + 2108017871.
It is an arithmetic number, because the mean of its divisors is an integer number (4216035738).
Almost surely, 212648107211 is an apocalyptic number.
12648107211 is a deficient number, since it is larger than the sum of its proper divisors (4216035741).
12648107211 is an equidigital number, since it uses as much as digits as its factorization.
12648107211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4216035740.
The product of its (nonzero) digits is 5376, while the sum is 33.
The spelling of 12648107211 in words is "twelve billion, six hundred forty-eight million, one hundred seven thousand, two hundred eleven".
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