Base | Representation |
---|---|
bin | 10111111111101100… |
… | …10010001110101101 |
3 | 1020020210102110000121 |
4 | 23333312102032231 |
5 | 202340340330432 |
6 | 5530145324541 |
7 | 634144132432 |
oct | 137766221655 |
9 | 36223373017 |
10 | 12882355117 |
11 | 5510832085 |
12 | 25b6336751 |
13 | 12a3bc0a48 |
14 | 8a2ca3b89 |
15 | 505e64197 |
hex | 2ffd923ad |
12882355117 has 4 divisors (see below), whose sum is σ = 12959495136. Its totient is φ = 12805215100.
The previous prime is 12882355111. The next prime is 12882355141. The reversal of 12882355117 is 71155328821.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71155328821 = 1021 ⋅69691801.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12882355117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12882355111) 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, 38569759 + ... + 38570092.
It is an arithmetic number, because the mean of its divisors is an integer number (3239873784).
Almost surely, 212882355117 is an apocalyptic number.
It is an amenable number.
12882355117 is a deficient number, since it is larger than the sum of its proper divisors (77140019).
12882355117 is an equidigital number, since it uses as much as digits as its factorization.
12882355117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77140018.
The product of its digits is 134400, while the sum is 43.
The spelling of 12882355117 in words is "twelve billion, eight hundred eighty-two million, three hundred fifty-five thousand, one hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.192 sec. • engine limits •