Base | Representation |
---|---|
bin | 101011110000000… |
… | …0000101011100101 |
3 | 10210022022121000201 |
4 | 1113200000223211 |
5 | 11001302243224 |
6 | 401400310501 |
7 | 51243605113 |
oct | 12740005345 |
9 | 3708277021 |
10 | 1468009189 |
11 | 693720039 |
12 | 34b772431 |
13 | 1a51a10ba |
14 | dcd76ab3 |
15 | 88d2aa44 |
hex | 57800ae5 |
1468009189 has 8 divisors (see below), whose sum is σ = 1480046040. Its totient is φ = 1456006656.
The previous prime is 1468009159. The next prime is 1468009199. The reversal of 1468009189 is 9819008641.
It can be written as a sum of positive squares in 4 ways, for example, as 266832225 + 1201176964 = 16335^2 + 34658^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1468009189 - 211 = 1468007141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1468009159) 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 7 ways as a sum of consecutive naturals, for example, 81117 + ... + 97549.
It is an arithmetic number, because the mean of its divisors is an integer number (185005755).
Almost surely, 21468009189 is an apocalyptic number.
It is an amenable number.
1468009189 is a deficient number, since it is larger than the sum of its proper divisors (12036851).
1468009189 is a wasteful number, since it uses less digits than its factorization.
1468009189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17159.
The product of its (nonzero) digits is 124416, while the sum is 46.
The square root of 1468009189 is about 38314.6080366223. The cubic root of 1468009189 is about 1136.5178419695.
The spelling of 1468009189 in words is "one billion, four hundred sixty-eight million, nine thousand, one hundred eighty-nine".
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