Base | Representation |
---|---|
bin | 1011010000001111… |
… | …1100000100101001 |
3 | 21210112102012210000 |
4 | 2310003330010221 |
5 | 22141324300434 |
6 | 1215433013213 |
7 | 134601331041 |
oct | 26403740451 |
9 | 7715365700 |
10 | 3020931369 |
11 | 13102674a5 |
12 | 703854209 |
13 | 391b32871 |
14 | 2092d4721 |
15 | 12a32ab99 |
hex | b40fc129 |
3020931369 has 45 divisors (see below), whose sum is σ = 4686808071. Its totient is φ = 1939094640.
The previous prime is 3020931367. The next prime is 3020931379. The reversal of 3020931369 is 9631390203.
It is a happy number.
The square root of 3020931369 is 54963.
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., 2959904025 + 61027344 = 54405^2 + 7812^2 .
It is not a de Polignac number, because 3020931369 - 21 = 3020931367 is a prime.
It is a super-2 number, since 2×30209313692 = 18252052672416428322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3020931367) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 15334579 + ... + 15334775.
Almost surely, 23020931369 is an apocalyptic number.
3020931369 is the 54963-rd square number.
3020931369 is the 27482-nd centered octagonal number.
It is an amenable number.
3020931369 is a deficient number, since it is larger than the sum of its proper divisors (1665876702).
3020931369 is an frugal number, since it uses more digits than its factorization.
3020931369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 468 (or 231 counting only the distinct ones).
The product of its (nonzero) digits is 26244, while the sum is 36.
The cubic root of 3020931369 is about 1445.5960502815.
Multiplying 3020931369 by its sum of digits (36), we get a square (108753529284 = 3297782).
Multiplying 3020931369 by its product of nonzero digits (26244), we get a square (79281322848036 = 89040062).
The spelling of 3020931369 in words is "three billion, twenty million, nine hundred thirty-one thousand, three hundred sixty-nine".
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