Base | Representation |
---|---|
bin | 111110001000100… |
… | …110000000010011 |
3 | 2200122112110010201 |
4 | 332020212000103 |
5 | 4113331041321 |
6 | 251235040031 |
7 | 34555411201 |
oct | 7610460023 |
9 | 2618473121 |
10 | 1042440211 |
11 | 49548083a |
12 | 251140017 |
13 | 137c79637 |
14 | 9c638071 |
15 | 617b6291 |
hex | 3e226013 |
1042440211 has 12 divisors (see below), whose sum is σ = 1071209776. Its totient is φ = 1014425280.
The previous prime is 1042440209. The next prime is 1042440227. The reversal of 1042440211 is 1120442401.
It is not a de Polignac number, because 1042440211 - 21 = 1042440209 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042440281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1221661 + ... + 1222513.
Almost surely, 21042440211 is an apocalyptic number.
1042440211 is a deficient number, since it is larger than the sum of its proper divisors (28769565).
1042440211 is an frugal number, since it uses more digits than its factorization.
1042440211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1662 (or 1621 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 1042440211 is about 32286.8426917220. The cubic root of 1042440211 is about 1013.9511959959.
Adding to 1042440211 its reverse (1120442401), we get a palindrome (2162882612).
The spelling of 1042440211 in words is "one billion, forty-two million, four hundred forty thousand, two hundred eleven".
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