Base | Representation |
---|---|
bin | 1011101110000100001101… |
… | …0100000110100011110011 |
3 | 1200121220002200011012122002 |
4 | 2323201003110012203303 |
5 | 3142111042443344334 |
6 | 43223432214204215 |
7 | 2466661603141436 |
oct | 273410324064363 |
9 | 50556080135562 |
10 | 12886031231219 |
11 | 4118a31767993 |
12 | 154149595366b |
13 | 7261bc183323 |
14 | 327989adb81d |
15 | 1752dde37b7e |
hex | bb8435068f3 |
12886031231219 has 4 divisors (see below), whose sum is σ = 12888132334896. Its totient is φ = 12883930127544.
The previous prime is 12886031231207. The next prime is 12886031231237. The reversal of 12886031231219 is 91213213068821.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12886031231219 is a prime.
It is a super-2 number, since 2×128860312312192 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12886031231279) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050542639 + ... + 1050554904.
It is an arithmetic number, because the mean of its divisors is an integer number (3222033083724).
Almost surely, 212886031231219 is an apocalyptic number.
12886031231219 is a deficient number, since it is larger than the sum of its proper divisors (2101103677).
12886031231219 is an equidigital number, since it uses as much as digits as its factorization.
12886031231219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2101103676.
The product of its (nonzero) digits is 248832, while the sum is 47.
The spelling of 12886031231219 in words is "twelve trillion, eight hundred eighty-six billion, thirty-one million, two hundred thirty-one thousand, two hundred nineteen".
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