Base | Representation |
---|---|
bin | 1011011010111100… |
… | …0001111010000000 |
3 | 21220122210212010100 |
4 | 2312233001322000 |
5 | 22234320010023 |
6 | 1224114202400 |
7 | 135654500421 |
oct | 26657017200 |
9 | 7818725110 |
10 | 3065781888 |
11 | 1333610344 |
12 | 716883400 |
13 | 39b207130 |
14 | 21124b648 |
15 | 12e239c43 |
hex | b6bc1e80 |
3065781888 has 192 divisors, whose sum is σ = 9734404680. Its totient is φ = 920125440.
The previous prime is 3065781883. The next prime is 3065781889. The reversal of 3065781888 is 8881875603.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1045099584 + 2020682304 = 32328^2 + 44952^2 .
It is a tau number, because it is divible by the number of its divisors (192).
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3065781881) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 611520 + ... + 616512.
Almost surely, 23065781888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3065781888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4867202340).
3065781888 is an abundant number, since it is smaller than the sum of its proper divisors (6668622792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3065781888 is a wasteful number, since it uses less digits than its factorization.
3065781888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5067 (or 5052 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The square root of 3065781888 is about 55369.5032305691. The cubic root of 3065781888 is about 1452.7149906270.
The spelling of 3065781888 in words is "three billion, sixty-five million, seven hundred eighty-one thousand, eight hundred eighty-eight".
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