Base | Representation |
---|---|
bin | 1011001110100110110010… |
… | …0001010000100100110111 |
3 | 1121201020001001220120201122 |
4 | 2303221230201100210313 |
5 | 3104232200001313204 |
6 | 42131245340414155 |
7 | 2412636255142145 |
oct | 263515441204467 |
9 | 47636031816648 |
10 | 12345556666679 |
11 | 3a2a7a2988055 |
12 | 1474799b4735b |
13 | 6b72478653a2 |
14 | 309757296595 |
15 | 166209d2b0be |
hex | b3a6c850937 |
12345556666679 has 8 divisors (see below), whose sum is σ = 13071796647840. Its totient is φ = 11619320103936.
The previous prime is 12345556666673. The next prime is 12345556666687. The reversal of 12345556666679 is 97666665554321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12345556666679 - 232 = 12341261699383 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12345556666673) 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, 12976862 + ... + 13895684.
It is an arithmetic number, because the mean of its divisors is an integer number (1633974580980).
Almost surely, 212345556666679 is an apocalyptic number.
12345556666679 is a deficient number, since it is larger than the sum of its proper divisors (726239981161).
12345556666679 is an equidigital number, since it uses as much as digits as its factorization.
12345556666679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1709209.
The product of its digits is 1469664000, while the sum is 71.
The spelling of 12345556666679 in words is "twelve trillion, three hundred forty-five billion, five hundred fifty-six million, six hundred sixty-six thousand, six hundred seventy-nine".
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