Base | Representation |
---|---|
bin | 111011101011000… |
… | …000100100001010 |
3 | 2120202210200112011 |
4 | 323223000210022 |
5 | 4022242132000 |
6 | 243201410134 |
7 | 33544316041 |
oct | 7353004412 |
9 | 2522720464 |
10 | 1001130250 |
11 | 474125a7a |
12 | 23b33994a |
13 | 12c544783 |
14 | 96d63558 |
15 | 5cd562ba |
hex | 3bac090a |
1001130250 has 32 divisors (see below), whose sum is σ = 1909501776. Its totient is φ = 392891200.
The previous prime is 1001130241. The next prime is 1001130253. The reversal of 1001130250 is 520311001.
It can be written as a sum of positive squares in 8 ways, for example, as 246144721 + 754985529 = 15689^2 + 27477^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1001130250.
It is not an unprimeable number, because it can be changed into a prime (1001130253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24529 + ... + 51028.
Almost surely, 21001130250 is an apocalyptic number.
1001130250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1001130250 is a deficient number, since it is larger than the sum of its proper divisors (908371526).
1001130250 is an equidigital number, since it uses as much as digits as its factorization.
1001130250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75627 (or 75617 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 1001130250 is about 31640.6423765384. The cubic root of 1001130250 is about 1000.3766081485.
Adding to 1001130250 its reverse (520311001), we get a palindrome (1521441251).
The spelling of 1001130250 in words is "one billion, one million, one hundred thirty thousand, two hundred fifty".
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