Base | Representation |
---|---|
bin | 1011101101000100010110… |
… | …0110011000001100011000 |
3 | 1200120020212001100120101101 |
4 | 2323101011212120030120 |
5 | 3141320441231113123 |
6 | 43211515240001144 |
7 | 2465514040452136 |
oct | 273210546301430 |
9 | 50506761316341 |
10 | 12868889707288 |
11 | 411173582628a |
12 | 153a0b11601b4 |
13 | 7246b9a6b064 |
14 | 326c012dc756 |
15 | 174b39107aad |
hex | bb445998318 |
12868889707288 has 8 divisors (see below), whose sum is σ = 24129168201180. Its totient is φ = 6434444853640.
The previous prime is 12868889707283. The next prime is 12868889707291. The reversal of 12868889707288 is 88270798886821.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12868889707283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804305606698 + ... + 804305606713.
Almost surely, 212868889707288 is an apocalyptic number.
It is an amenable number.
12868889707288 is a deficient number, since it is larger than the sum of its proper divisors (11260278493892).
12868889707288 is a wasteful number, since it uses less digits than its factorization.
12868889707288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1608611213417 (or 1608611213413 counting only the distinct ones).
The product of its (nonzero) digits is 2774532096, while the sum is 82.
The spelling of 12868889707288 in words is "twelve trillion, eight hundred sixty-eight billion, eight hundred eighty-nine million, seven hundred seven thousand, two hundred eighty-eight".
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