Base | Representation |
---|---|
bin | 1011010101011001… |
… | …0001100101010001 |
3 | 21212001000210100011 |
4 | 2311112101211101 |
5 | 22212340442111 |
6 | 1221523354521 |
7 | 135252644641 |
oct | 26526214521 |
9 | 7761023304 |
10 | 3042515281 |
11 | 1321469843 |
12 | 70ab22a41 |
13 | 39644bc00 |
14 | 20c112521 |
15 | 12c191021 |
hex | b5591951 |
3042515281 has 9 divisors (see below), whose sum is σ = 3295334619. Its totient is φ = 2807813736.
The previous prime is 3042515269. The next prime is 3042515303. The reversal of 3042515281 is 1825152403.
The square root of 3042515281 is 55159.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 450076225 + 2592439056 = 21215^2 + 50916^2 .
It is not a de Polignac number, because 3042515281 - 27 = 3042515153 is a prime.
It is a super-3 number, since 3×30425152813 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3042515221) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 714946 + ... + 719188.
It is an arithmetic number, because the mean of its divisors is an integer number (366148291).
Almost surely, 23042515281 is an apocalyptic number.
3042515281 is the 55159-th square number.
3042515281 is the 27580-th centered octagonal number.
It is an amenable number.
3042515281 is a deficient number, since it is larger than the sum of its proper divisors (252819338).
3042515281 is an frugal number, since it uses more digits than its factorization.
3042515281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8512 (or 4256 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
The cubic root of 3042515281 is about 1449.0307086760.
Adding to 3042515281 its reverse (1825152403), we get a palindrome (4867667684).
The spelling of 3042515281 in words is "three billion, forty-two million, five hundred fifteen thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •