Base | Representation |
---|---|
bin | 11000110101000111… |
… | …01001000000110000 |
3 | 1021102000121011010000 |
4 | 30122203221000300 |
5 | 204300043440103 |
6 | 10042433510000 |
7 | 651224656041 |
oct | 143243510060 |
9 | 37360534100 |
10 | 13330452528 |
11 | 5720769318 |
12 | 2700412300 |
13 | 13459a2743 |
14 | 9065c88c8 |
15 | 530478aa3 |
hex | 31a8e9030 |
13330452528 has 100 divisors (see below), whose sum is σ = 38744529120. Its totient is φ = 4424789376.
The previous prime is 13330452517. The next prime is 13330452581. The reversal of 13330452528 is 82525403331.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 13330452492 and 13330452501.
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 in 19 ways as a sum of consecutive naturals, for example, 288226 + ... + 331262.
Almost surely, 213330452528 is an apocalyptic number.
13330452528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13330452528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19372264560).
13330452528 is an abundant number, since it is smaller than the sum of its proper divisors (25414076592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13330452528 is a wasteful number, since it uses less digits than its factorization.
13330452528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43296 (or 43281 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
Adding to 13330452528 its reverse (82525403331), we get a palindrome (95855855859).
The spelling of 13330452528 in words is "thirteen billion, three hundred thirty million, four hundred fifty-two thousand, five hundred twenty-eight".
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