Base | Representation |
---|---|
bin | 111100011001001… |
… | …101100100100000 |
3 | 2121121121000220211 |
4 | 330121031210200 |
5 | 4033342222034 |
6 | 244313143504 |
7 | 34052262505 |
oct | 7431154440 |
9 | 2547530824 |
10 | 1013242144 |
11 | 47aa48902 |
12 | 2433bab94 |
13 | 131bc5685 |
14 | 987d74ac |
15 | 5de49d64 |
hex | 3c64d920 |
1013242144 has 12 divisors (see below), whose sum is σ = 1994820534. Its totient is φ = 506621056.
The previous prime is 1013242133. The next prime is 1013242157. The reversal of 1013242144 is 4412423101.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 769507600 + 243734544 = 27740^2 + 15612^2 .
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 as a sum of consecutive naturals, namely, 15831877 + ... + 15831940.
Almost surely, 21013242144 is an apocalyptic number.
It is an amenable number.
1013242144 is a deficient number, since it is larger than the sum of its proper divisors (981578390).
1013242144 is an equidigital number, since it uses as much as digits as its factorization.
1013242144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31663827 (or 31663819 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 1013242144 is about 31831.4646851193. The cubic root of 1013242144 is about 1004.3947062645.
Adding to 1013242144 its reverse (4412423101), we get a palindrome (5425665245).
The spelling of 1013242144 in words is "one billion, thirteen million, two hundred forty-two thousand, one hundred forty-four".
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