Base | Representation |
---|---|
bin | 100001101011101… |
… | …1111010011001001 |
3 | 2220202201200102212 |
4 | 1003113133103021 |
5 | 4303314342420 |
6 | 304052434505 |
7 | 40002543032 |
oct | 10327372311 |
9 | 2822650385 |
10 | 1130230985 |
11 | 52aa932a4 |
12 | 276618a35 |
13 | 150206b40 |
14 | aa16ba89 |
15 | 693583c5 |
hex | 435df4c9 |
1130230985 has 8 divisors (see below), whose sum is σ = 1460606280. Its totient is φ = 834632064.
The previous prime is 1130230943. The next prime is 1130230987. The reversal of 1130230985 is 5890320311.
It can be written as a sum of positive squares in 4 ways, for example, as 224160784 + 906070201 = 14972^2 + 30101^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1130230985 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1130230987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8694020 + ... + 8694149.
It is an arithmetic number, because the mean of its divisors is an integer number (182575785).
Almost surely, 21130230985 is an apocalyptic number.
It is an amenable number.
1130230985 is a deficient number, since it is larger than the sum of its proper divisors (330375295).
1130230985 is a wasteful number, since it uses less digits than its factorization.
1130230985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17388187.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 1130230985 is about 33618.9081470532. The cubic root of 1130230985 is about 1041.6514028128.
The spelling of 1130230985 in words is "one billion, one hundred thirty million, two hundred thirty thousand, nine hundred eighty-five".
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