Base | Representation |
---|---|
bin | 1000111010100011… |
… | …0101010000010001 |
3 | 20011202222110220221 |
4 | 2032220311100101 |
5 | 14400111143221 |
6 | 1033243433041 |
7 | 113205514162 |
oct | 21650652021 |
9 | 6152873827 |
10 | 2393068561 |
11 | 1018908914 |
12 | 569525781 |
13 | 2c1a2ca00 |
14 | 189b77769 |
15 | e0157541 |
hex | 8ea35411 |
2393068561 has 27 divisors (see below), whose sum is σ = 2678848977. Its totient is φ = 2136781920.
The previous prime is 2393068523. The next prime is 2393068571. The reversal of 2393068561 is 1658603932.
The square root of 2393068561 is 48919.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 62110161 + 2330958400 = 7881^2 + 48280^2 .
It is not a de Polignac number, because 2393068561 - 29 = 2393068049 is a prime.
It is a super-2 number, since 2×23930685612 = 11453554275293221442, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2393068501) by changing a digit.
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 26 ways as a sum of consecutive naturals, for example, 33705156 + ... + 33705226.
Almost surely, 22393068561 is an apocalyptic number.
2393068561 is the 48919-th square number.
2393068561 is the 24460-th centered octagonal number.
It is an amenable number.
2393068561 is a deficient number, since it is larger than the sum of its proper divisors (285780416).
2393068561 is an frugal number, since it uses more digits than its factorization.
2393068561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274 (or 137 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 43.
The cubic root of 2393068561 is about 1337.5757313045.
The spelling of 2393068561 in words is "two billion, three hundred ninety-three million, sixty-eight thousand, five hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •