Base | Representation |
---|---|
bin | 111101011101011… |
… | …101001101100101 |
3 | 2122212020221012021 |
4 | 331131131031211 |
5 | 4102432211010 |
6 | 250152423141 |
7 | 34360322521 |
oct | 7535351545 |
9 | 2585227167 |
10 | 1031132005 |
11 | 48a057812 |
12 | 2493a7ab1 |
13 | 13581a4a7 |
14 | 9ad32d81 |
15 | 607d08da |
hex | 3d75d365 |
1031132005 has 8 divisors (see below), whose sum is σ = 1237787424. Its totient is φ = 824619600.
The previous prime is 1031131999. The next prime is 1031132041. The reversal of 1031132005 is 5002311301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1031132005 - 25 = 1031131973 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1031132005.
It is a congruent number.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 19191 + ... + 49300.
It is an arithmetic number, because the mean of its divisors is an integer number (154723428).
Almost surely, 21031132005 is an apocalyptic number.
It is an amenable number.
1031132005 is a deficient number, since it is larger than the sum of its proper divisors (206655419).
1031132005 is an equidigital number, since it uses as much as digits as its factorization.
1031132005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71507.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 1031132005 is about 32111.2442144492. The cubic root of 1031132005 is about 1010.2714706663.
Adding to 1031132005 its reverse (5002311301), we get a palindrome (6033443306).
The spelling of 1031132005 in words is "one billion, thirty-one million, one hundred thirty-two thousand, five".
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