Base | Representation |
---|---|
bin | 1011011110101001… |
… | …1010110011110001 |
3 | 21221202002211002100 |
4 | 2313222122303301 |
5 | 22302311203020 |
6 | 1225432011013 |
7 | 136234021551 |
oct | 26752326361 |
9 | 7852084070 |
10 | 3081350385 |
11 | 1341384173 |
12 | 71bb30a69 |
13 | 3a14c8469 |
14 | 213341161 |
15 | 1307b2a90 |
hex | b7a9acf1 |
3081350385 has 24 divisors (see below), whose sum is σ = 5655185640. Its totient is φ = 1546716672.
The previous prime is 3081350381. The next prime is 3081350387. The reversal of 3081350385 is 5830531803.
It can be written as a sum of positive squares in 4 ways, for example, as 58110129 + 3023240256 = 7623^2 + 54984^2 .
It is not a de Polignac number, because 3081350385 - 22 = 3081350381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3081350381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2013190 + ... + 2014719.
It is an arithmetic number, because the mean of its divisors is an integer number (235632735).
Almost surely, 23081350385 is an apocalyptic number.
It is an amenable number.
3081350385 is a deficient number, since it is larger than the sum of its proper divisors (2573835255).
3081350385 is a wasteful number, since it uses less digits than its factorization.
3081350385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4027937 (or 4027934 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 3081350385 is about 55509.9124931755. The cubic root of 3081350385 is about 1455.1698742391.
The spelling of 3081350385 in words is "three billion, eighty-one million, three hundred fifty thousand, three hundred eighty-five".
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