Base | Representation |
---|---|
bin | 1010111101011011… |
… | …1101001101100001 |
3 | 21121000221122101121 |
4 | 2233112331031201 |
5 | 22011124440224 |
6 | 1203533532241 |
7 | 132622563643 |
oct | 25726751541 |
9 | 7530848347 |
10 | 2942030689 |
11 | 127a777224 |
12 | 6a1344081 |
13 | 37b698980 |
14 | 1dca36893 |
15 | 123442be4 |
hex | af5bd361 |
2942030689 has 16 divisors (see below), whose sum is σ = 3234848400. Its totient is φ = 2658928896.
The previous prime is 2942030687. The next prime is 2942030701. The reversal of 2942030689 is 9860302492.
It can be written as a sum of positive squares in 8 ways, for example, as 247590225 + 2694440464 = 15735^2 + 51908^2 .
It is not a de Polignac number, because 2942030689 - 21 = 2942030687 is a prime.
It is a super-3 number, since 3×29420306893 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2942030687) 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 15 ways as a sum of consecutive naturals, for example, 346507 + ... + 354895.
It is an arithmetic number, because the mean of its divisors is an integer number (202178025).
Almost surely, 22942030689 is an apocalyptic number.
It is an amenable number.
2942030689 is a deficient number, since it is larger than the sum of its proper divisors (292817711).
2942030689 is a wasteful number, since it uses less digits than its factorization.
2942030689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8964.
The product of its (nonzero) digits is 186624, while the sum is 43.
The square root of 2942030689 is about 54240.4893875415. The cubic root of 2942030689 is about 1432.8995057656.
The spelling of 2942030689 in words is "two billion, nine hundred forty-two million, thirty thousand, six hundred eighty-nine".
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