Base | Representation |
---|---|
bin | 101001011001111… |
… | …0111011111100111 |
3 | 10120211021012012220 |
4 | 1102303313133213 |
5 | 10321132001414 |
6 | 345510043423 |
7 | 46300044666 |
oct | 12263673747 |
9 | 3524235186 |
10 | 1389328359 |
11 | 65326aa61 |
12 | 329349573 |
13 | 191ab32b3 |
14 | d2734ddd |
15 | 81e87ca9 |
hex | 52cf77e7 |
1389328359 has 8 divisors (see below), whose sum is σ = 1873252080. Its totient is φ = 915811776.
The previous prime is 1389328357. The next prime is 1389328361. The reversal of 1389328359 is 9538239831.
It is an interprime number because it is at equal distance from previous prime (1389328357) and next prime (1389328361).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1389328359 - 21 = 1389328357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1389328357) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601472 + ... + 2602005.
It is an arithmetic number, because the mean of its divisors is an integer number (234156510).
Almost surely, 21389328359 is an apocalyptic number.
1389328359 is a deficient number, since it is larger than the sum of its proper divisors (483923721).
1389328359 is an equidigital number, since it uses as much as digits as its factorization.
1389328359 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5203569.
The product of its digits is 1399680, while the sum is 51.
The square root of 1389328359 is about 37273.6952689159. The cubic root of 1389328359 is about 1115.8392493698.
The spelling of 1389328359 in words is "one billion, three hundred eighty-nine million, three hundred twenty-eight thousand, three hundred fifty-nine".
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