Base | Representation |
---|---|
bin | 100010000010011… |
… | …0001010110110110 |
3 | 2221121001202121222 |
4 | 1010010301112312 |
5 | 4314334221210 |
6 | 305155110342 |
7 | 40205462531 |
oct | 10404612666 |
9 | 2847052558 |
10 | 1142101430 |
11 | 536760788 |
12 | 27a5a23b2 |
13 | 152801b82 |
14 | ab97ba18 |
15 | 6a400655 |
hex | 441315b6 |
1142101430 has 32 divisors (see below), whose sum is σ = 2091938400. Its totient is φ = 448842240.
The previous prime is 1142101417. The next prime is 1142101439. The reversal of 1142101430 is 341012411.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1142101399 and 1142101408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142101439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280046 + ... + 284094.
It is an arithmetic number, because the mean of its divisors is an integer number (65373075).
Almost surely, 21142101430 is an apocalyptic number.
1142101430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1142101430 is a deficient number, since it is larger than the sum of its proper divisors (949836970).
1142101430 is a wasteful number, since it uses less digits than its factorization.
1142101430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4544.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1142101430 is about 33794.9911969215. The cubic root of 1142101430 is about 1045.2854176383.
Adding to 1142101430 its reverse (341012411), we get a palindrome (1483113841).
The spelling of 1142101430 in words is "one billion, one hundred forty-two million, one hundred one thousand, four hundred thirty".
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