Base | Representation |
---|---|
bin | 100010000100100… |
… | …0101001111010010 |
3 | 2221200012011201021 |
4 | 1010021011033102 |
5 | 4320131401232 |
6 | 305235230054 |
7 | 40221210163 |
oct | 10411051722 |
9 | 2850164637 |
10 | 1143231442 |
11 | 537362781 |
12 | 27aa4832a |
13 | 152b09312 |
14 | abb9376a |
15 | 6a575397 |
hex | 442453d2 |
1143231442 has 16 divisors (see below), whose sum is σ = 1733363712. Its totient is φ = 565459120.
The previous prime is 1143231409. The next prime is 1143231451. The reversal of 1143231442 is 2441323411.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161967 + ... + 168877.
It is an arithmetic number, because the mean of its divisors is an integer number (108335232).
Almost surely, 21143231442 is an apocalyptic number.
1143231442 is a deficient number, since it is larger than the sum of its proper divisors (590132270).
1143231442 is a wasteful number, since it uses less digits than its factorization.
1143231442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7793.
The product of its digits is 2304, while the sum is 25.
The square root of 1143231442 is about 33811.7056949217. The cubic root of 1143231442 is about 1045.6300442736.
Adding to 1143231442 its reverse (2441323411), we get a palindrome (3584554853).
The spelling of 1143231442 in words is "one billion, one hundred forty-three million, two hundred thirty-one thousand, four hundred forty-two".
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