Base | Representation |
---|---|
bin | 101001001010000… |
… | …0010000111111001 |
3 | 10120020120012221020 |
4 | 1102110002013321 |
5 | 10312012431124 |
6 | 345011133053 |
7 | 46136110230 |
oct | 12224020771 |
9 | 3506505836 |
10 | 1380983289 |
11 | 649590204 |
12 | 3265a4189 |
13 | 190150a9a |
14 | d15a1b17 |
15 | 8138a379 |
hex | 525021f9 |
1380983289 has 32 divisors (see below), whose sum is σ = 2226831360. Its totient is φ = 743644800.
The previous prime is 1380983269. The next prime is 1380983293. The reversal of 1380983289 is 9823890831.
It is not a de Polignac number, because 1380983289 - 224 = 1364206073 is a prime.
It is a super-2 number, since 2×13809832892 = 3814229688994515042, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1380983249) 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 31 ways as a sum of consecutive naturals, for example, 67149 + ... + 85269.
It is an arithmetic number, because the mean of its divisors is an integer number (69588480).
Almost surely, 21380983289 is an apocalyptic number.
1380983289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1380983289 is a deficient number, since it is larger than the sum of its proper divisors (845848071).
1380983289 is a wasteful number, since it uses less digits than its factorization.
1380983289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18341.
The product of its (nonzero) digits is 746496, while the sum is 51.
The square root of 1380983289 is about 37161.5835103942. The cubic root of 1380983289 is about 1113.6006465965.
The spelling of 1380983289 in words is "one billion, three hundred eighty million, nine hundred eighty-three thousand, two hundred eighty-nine".
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