Base | Representation |
---|---|
bin | 111111110101101… |
… | …0000000100001110 |
3 | 12112021122010112220 |
4 | 1333223100010032 |
5 | 13341330410210 |
6 | 552315240210 |
7 | 104040035331 |
oct | 17753200416 |
9 | 5467563486 |
10 | 2142044430 |
11 | 9aa145759 |
12 | 4b9449066 |
13 | 281a1c116 |
14 | 1646b2618 |
15 | c80bec70 |
hex | 7fad010e |
2142044430 has 32 divisors (see below), whose sum is σ = 5142852000. Its totient is φ = 570995712.
The previous prime is 2142044419. The next prime is 2142044447. The reversal of 2142044430 is 344402412.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2142044430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77046 + ... + 101094.
It is an arithmetic number, because the mean of its divisors is an integer number (160714125).
Almost surely, 22142044430 is an apocalyptic number.
2142044430 is an abundant number, since it is smaller than the sum of its proper divisors (3000807570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142044430 is a wasteful number, since it uses less digits than its factorization.
2142044430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27028.
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 2142044430 is about 46282.2258539928. The cubic root of 2142044430 is about 1289.0689814932.
Adding to 2142044430 its reverse (344402412), we get a palindrome (2486446842).
The spelling of 2142044430 in words is "two billion, one hundred forty-two million, forty-four thousand, four hundred thirty".
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