Base | Representation |
---|---|
bin | 11000000110011001… |
… | …11010101110001110 |
3 | 1020101201021222122101 |
4 | 30003030322232032 |
5 | 202444241313130 |
6 | 5535515305314 |
7 | 635426311405 |
oct | 140314725616 |
9 | 36351258571 |
10 | 12938619790 |
11 | 553a571608 |
12 | 261114b23a |
13 | 12b2760755 |
14 | 8aa54c63c |
15 | 50ad7a1ca |
hex | 30333ab8e |
12938619790 has 16 divisors (see below), whose sum is σ = 23467300560. Its totient is φ = 5135940160.
The previous prime is 12938619737. The next prime is 12938619817. The reversal of 12938619790 is 9791683921.
12938619790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937095 + ... + 4939714.
It is an arithmetic number, because the mean of its divisors is an integer number (1466706285).
Almost surely, 212938619790 is an apocalyptic number.
12938619790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12938619790 is a deficient number, since it is larger than the sum of its proper divisors (10528680770).
12938619790 is a wasteful number, since it uses less digits than its factorization.
12938619790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9876947.
The product of its (nonzero) digits is 1469664, while the sum is 55.
The spelling of 12938619790 in words is "twelve billion, nine hundred thirty-eight million, six hundred nineteen thousand, seven hundred ninety".
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