Base | Representation |
---|---|
bin | 100110110101100… |
… | …0010111111111101 |
3 | 10100211001212110010 |
4 | 1031223002333331 |
5 | 10132100130414 |
6 | 333150333433 |
7 | 44202265101 |
oct | 11553027775 |
9 | 3324055403 |
10 | 1303130109 |
11 | 609645a36 |
12 | 3044ba279 |
13 | 179c92908 |
14 | c50d7901 |
15 | 7960c959 |
hex | 4dac2ffd |
1303130109 has 32 divisors (see below), whose sum is σ = 1843200000. Its totient is φ = 817677504.
The previous prime is 1303130077. The next prime is 1303130117. The reversal of 1303130109 is 9010313031.
It is not a de Polignac number, because 1303130109 - 25 = 1303130077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303130149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650892 + ... + 652890.
It is an arithmetic number, because the mean of its divisors is an integer number (57600000).
Almost surely, 21303130109 is an apocalyptic number.
It is an amenable number.
1303130109 is a deficient number, since it is larger than the sum of its proper divisors (540069891).
1303130109 is a wasteful number, since it uses less digits than its factorization.
1303130109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2217.
The product of its (nonzero) digits is 243, while the sum is 21.
The square root of 1303130109 is about 36098.8934594954. The cubic root of 1303130109 is about 1092.2681242277.
The spelling of 1303130109 in words is "one billion, three hundred three million, one hundred thirty thousand, one hundred nine".
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