Base | Representation |
---|---|
bin | 100111010110101… |
… | …1001010100100100 |
3 | 10102000210112001220 |
4 | 1032231121110210 |
5 | 10201023214134 |
6 | 335011220340 |
7 | 44503155261 |
oct | 11655312444 |
9 | 3360715056 |
10 | 1320523044 |
11 | 618445565 |
12 | 30a2a76b0 |
13 | 1807724a9 |
14 | c7544268 |
15 | 7ade6149 |
hex | 4eb59524 |
1320523044 has 48 divisors (see below), whose sum is σ = 3178925568. Its totient is φ = 426325248.
The previous prime is 1320523031. The next prime is 1320523051. The reversal of 1320523044 is 4403250231.
It is a super-2 number, since 2×13205230442 = 3487562219470051872, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92344 + ... + 105680.
It is an arithmetic number, because the mean of its divisors is an integer number (66227616).
Almost surely, 21320523044 is an apocalyptic number.
It is an amenable number.
1320523044 is an abundant number, since it is smaller than the sum of its proper divisors (1858402524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1320523044 is a wasteful number, since it uses less digits than its factorization.
1320523044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13604 (or 13602 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 1320523044 is about 36339.0016923966. The cubic root of 1320523044 is about 1097.1061799979.
Adding to 1320523044 its reverse (4403250231), we get a palindrome (5723773275).
The spelling of 1320523044 in words is "one billion, three hundred twenty million, five hundred twenty-three thousand, forty-four".
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