Base | Representation |
---|---|
bin | 100000010000000… |
… | …0000010010100011 |
3 | 2210102012222111212 |
4 | 1000200000102203 |
5 | 4204011202434 |
6 | 255213500335 |
7 | 35546652452 |
oct | 10040002243 |
9 | 2712188455 |
10 | 1082131619 |
11 | 505920558 |
12 | 2624a16ab |
13 | 14326588a |
14 | a3a0ab99 |
15 | 650068ce |
hex | 408004a3 |
1082131619 has 4 divisors (see below), whose sum is σ = 1105155744. Its totient is φ = 1059107496.
The previous prime is 1082131559. The next prime is 1082131621. The reversal of 1082131619 is 9161312801.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9161312801 = 17 ⋅538900753.
It is a cyclic number.
It is not a de Polignac number, because 1082131619 - 28 = 1082131363 is a prime.
It is a super-2 number, since 2×10821316192 = 2342017681679122322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1082136619) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11511992 + ... + 11512085.
It is an arithmetic number, because the mean of its divisors is an integer number (276288936).
Almost surely, 21082131619 is an apocalyptic number.
1082131619 is a deficient number, since it is larger than the sum of its proper divisors (23024125).
1082131619 is an equidigital number, since it uses as much as digits as its factorization.
1082131619 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23024124.
The product of its (nonzero) digits is 2592, while the sum is 32.
The square root of 1082131619 is about 32895.7690136589. The cubic root of 1082131619 is about 1026.6601275914.
The spelling of 1082131619 in words is "one billion, eighty-two million, one hundred thirty-one thousand, six hundred nineteen".
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