Base | Representation |
---|---|
bin | 100001010001101… |
… | …1010111010011100 |
3 | 2212211001012220120 |
4 | 1002203122322130 |
5 | 4241321102112 |
6 | 302444114540 |
7 | 36445533513 |
oct | 10243327234 |
9 | 2784035816 |
10 | 1116581532 |
11 | 523310260 |
12 | 271b35a50 |
13 | 14a438141 |
14 | a841767a |
15 | 6805de8c |
hex | 428dae9c |
1116581532 has 96 divisors (see below), whose sum is σ = 2901878784. Its totient is φ = 331320000.
The previous prime is 1116581527. The next prime is 1116581533. The reversal of 1116581532 is 2351856111.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 1116581493 and 1116581502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1116581533) 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, 2219593 + ... + 2220095.
It is an arithmetic number, because the mean of its divisors is an integer number (30227904).
Almost surely, 21116581532 is an apocalyptic number.
1116581532 is a gapful number since it is divisible by the number (12) 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 1116581532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450939392).
1116581532 is an abundant number, since it is smaller than the sum of its proper divisors (1785297252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1116581532 is a wasteful number, since it uses less digits than its factorization.
1116581532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 839 (or 837 counting only the distinct ones).
The product of its digits is 7200, while the sum is 33.
The square root of 1116581532 is about 33415.2888959530. The cubic root of 1116581532 is about 1037.4411736521.
The spelling of 1116581532 in words is "one billion, one hundred sixteen million, five hundred eighty-one thousand, five hundred thirty-two".
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