Base | Representation |
---|---|
bin | 111111110101100… |
… | …1100101001000100 |
3 | 12112021121102022102 |
4 | 1333223030221010 |
5 | 13341324433104 |
6 | 552315051232 |
7 | 104036646413 |
oct | 17753145104 |
9 | 5467542272 |
10 | 2142030404 |
11 | 9aa136168 |
12 | 4b9440b18 |
13 | 281a15917 |
14 | 1646ab47a |
15 | c80baa1e |
hex | 7facca44 |
2142030404 has 48 divisors (see below), whose sum is σ = 3930834096. Its totient is φ = 1020364800.
The previous prime is 2142030403. The next prime is 2142030409. The reversal of 2142030404 is 4040302412.
It can be written as a sum of positive squares in 8 ways, for example, as 26214400 + 2115816004 = 5120^2 + 45998^2 .
It is not an unprimeable number, because it can be changed into a prime (2142030403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442014 + ... + 2442890.
It is an arithmetic number, because the mean of its divisors is an integer number (81892377).
Almost surely, 22142030404 is an apocalyptic number.
It is an amenable number.
2142030404 is a deficient number, since it is larger than the sum of its proper divisors (1788803692).
2142030404 is a wasteful number, since it uses less digits than its factorization.
2142030404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 2142030404 is about 46282.0743268925. The cubic root of 2142030404 is about 1289.0661679006.
Adding to 2142030404 its reverse (4040302412), we get a palindrome (6182332816).
The spelling of 2142030404 in words is "two billion, one hundred forty-two million, thirty thousand, four hundred four".
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