Base | Representation |
---|---|
bin | 1011010101110010100110… |
… | …0110111110010100000001 |
3 | 1122011000122020000020121002 |
4 | 2311130221212332110001 |
5 | 3113242441431032344 |
6 | 42304101333341345 |
7 | 2424566102316230 |
oct | 265345146762401 |
9 | 48130566006532 |
10 | 12468988142849 |
11 | 3a78082816a97 |
12 | 14946a6a97855 |
13 | 6c5a88946414 |
14 | 311706240b17 |
15 | 1695311a544e |
hex | b57299be501 |
12468988142849 has 8 divisors (see below), whose sum is σ = 14250380763648. Its totient is φ = 10687622672160.
The previous prime is 12468988142839. The next prime is 12468988142851. The reversal of 12468988142849 is 94824188986421.
12468988142849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12468988142849 - 24 = 12468988142833 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12468988142839) 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, 5793692 + ... + 7648845.
It is an arithmetic number, because the mean of its divisors is an integer number (1781297595456).
Almost surely, 212468988142849 is an apocalyptic number.
It is an amenable number.
12468988142849 is a deficient number, since it is larger than the sum of its proper divisors (1781392620799).
12468988142849 is a wasteful number, since it uses less digits than its factorization.
12468988142849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13575055.
The product of its digits is 509607936, while the sum is 74.
The spelling of 12468988142849 in words is "twelve trillion, four hundred sixty-eight billion, nine hundred eighty-eight million, one hundred forty-two thousand, eight hundred forty-nine".
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