Base | Representation |
---|---|
bin | 11000000000001010… |
… | …01010011110011111 |
3 | 1020021001202121100221 |
4 | 30000011022132133 |
5 | 202342340134034 |
6 | 5530405102211 |
7 | 634222236034 |
oct | 140005123637 |
9 | 36231677327 |
10 | 12886255519 |
11 | 5512a56555 |
12 | 25b76b7967 |
13 | 12a4958187 |
14 | 8a35db38b |
15 | 506484bb4 |
hex | 30014a79f |
12886255519 has 4 divisors (see below), whose sum is σ = 12889464280. Its totient is φ = 12883046760.
The previous prime is 12886255513. The next prime is 12886255573. The reversal of 12886255519 is 91555268821.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12886255519 - 213 = 12886247327 is a prime.
It is a super-2 number, since 2×128862555192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12886255513) 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, 1598349 + ... + 1606390.
It is an arithmetic number, because the mean of its divisors is an integer number (3222366070).
Almost surely, 212886255519 is an apocalyptic number.
12886255519 is a deficient number, since it is larger than the sum of its proper divisors (3208761).
12886255519 is an equidigital number, since it uses as much as digits as its factorization.
12886255519 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3208760.
The product of its digits is 1728000, while the sum is 52.
The spelling of 12886255519 in words is "twelve billion, eight hundred eighty-six million, two hundred fifty-five thousand, five hundred nineteen".
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