Base | Representation |
---|---|
bin | 100000000010110… |
… | …1001000111111001 |
3 | 2202221012212220110 |
4 | 1000011221013321 |
5 | 4200224032420 |
6 | 254405414533 |
7 | 35434141026 |
oct | 10005510771 |
9 | 2687185813 |
10 | 1075220985 |
11 | 501a30493 |
12 | 26010a449 |
13 | 1419b6247 |
14 | a2b2c54d |
15 | 645ddee0 |
hex | 401691f9 |
1075220985 has 16 divisors (see below), whose sum is σ = 1720764864. Its totient is φ = 573314112.
The previous prime is 1075220933. The next prime is 1075221011. The reversal of 1075220985 is 5890225701.
It is not a de Polignac number, because 1075220985 - 26 = 1075220921 is a prime.
It is a super-2 number, since 2×10752209852 = 2312200333168740450, which contains 22 as substring.
It is an unprimeable number.
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, 103854 + ... + 113736.
It is an arithmetic number, because the mean of its divisors is an integer number (107547804).
Almost surely, 21075220985 is an apocalyptic number.
1075220985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1075220985 is a deficient number, since it is larger than the sum of its proper divisors (645543879).
1075220985 is an equidigital number, since it uses as much as digits as its factorization.
1075220985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17144.
The product of its (nonzero) digits is 50400, while the sum is 39.
The square root of 1075220985 is about 32790.5624379943. The cubic root of 1075220985 is about 1024.4699968657.
The spelling of 1075220985 in words is "one billion, seventy-five million, two hundred twenty thousand, nine hundred eighty-five".
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