Base | Representation |
---|---|
bin | 1011100101100001011000… |
… | …0000111111100001000111 |
3 | 1200002212012200222212202201 |
4 | 2321120112000333201013 |
5 | 3132204432020440410 |
6 | 43032154355215331 |
7 | 2453244205254355 |
oct | 271302600774107 |
9 | 50085180885681 |
10 | 12739242358855 |
11 | 4071756222531 |
12 | 1518b4a5a7547 |
13 | 7153c7c6a5bc |
14 | 3208229d07d5 |
15 | 17159c20383a |
hex | b961603f847 |
12739242358855 has 8 divisors (see below), whose sum is σ = 15287533078752. Its totient is φ = 10191099055008.
The previous prime is 12739242358849. The next prime is 12739242358873. The reversal of 12739242358855 is 55885324293721.
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 12739242358855 - 213 = 12739242350663 is a prime.
It is a super-3 number, since 3×127392423588553 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36663804 + ... + 37009633.
It is an arithmetic number, because the mean of its divisors is an integer number (1910941634844).
Almost surely, 212739242358855 is an apocalyptic number.
12739242358855 is a deficient number, since it is larger than the sum of its proper divisors (2548290719897).
12739242358855 is an equidigital number, since it uses as much as digits as its factorization.
12739242358855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73708025.
The product of its digits is 145152000, while the sum is 64.
The spelling of 12739242358855 in words is "twelve trillion, seven hundred thirty-nine billion, two hundred forty-two million, three hundred fifty-eight thousand, eight hundred fifty-five".
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