Base | Representation |
---|---|
bin | 10111111001000110… |
… | …11010111110001011 |
3 | 1020002221102002210221 |
4 | 23330203122332023 |
5 | 202232213003124 |
6 | 5520452450511 |
7 | 632603240302 |
oct | 137443327613 |
9 | 36087362727 |
10 | 12827078539 |
11 | 5492607a60 |
12 | 259b919a37 |
13 | 1295608a02 |
14 | 8997d5439 |
15 | 501195ce4 |
hex | 2fc8daf8b |
12827078539 has 4 divisors (see below), whose sum is σ = 13993176600. Its totient is φ = 11660980480.
The previous prime is 12827078533. The next prime is 12827078591. The reversal of 12827078539 is 93587072821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93587072821 = 11 ⋅8507915711.
It is a cyclic number.
It is not a de Polignac number, because 12827078539 - 25 = 12827078507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12827078533) 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, 583049014 + ... + 583049035.
It is an arithmetic number, because the mean of its divisors is an integer number (3498294150).
Almost surely, 212827078539 is an apocalyptic number.
12827078539 is a deficient number, since it is larger than the sum of its proper divisors (1166098061).
12827078539 is a wasteful number, since it uses less digits than its factorization.
12827078539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1166098060.
The product of its (nonzero) digits is 1693440, while the sum is 52.
The spelling of 12827078539 in words is "twelve billion, eight hundred twenty-seven million, seventy-eight thousand, five hundred thirty-nine".
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