Base | Representation |
---|---|
bin | 111111111000000… |
… | …1000001110101110 |
3 | 12112101001002111100 |
4 | 1333300020032232 |
5 | 13342142314204 |
6 | 552402503530 |
7 | 104053642155 |
oct | 17760101656 |
9 | 5471032440 |
10 | 2143323054 |
11 | 9aa939374 |
12 | 4b9964ba6 |
13 | 2820790c2 |
14 | 16492659c |
15 | c8273a39 |
hex | 7fc083ae |
2143323054 has 24 divisors (see below), whose sum is σ = 4658810832. Its totient is φ = 712141920.
The previous prime is 2143323053. The next prime is 2143323071. The reversal of 2143323054 is 4503233412.
2143323054 is a `hidden beast` number, since 21 + 4 + 332 + 305 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143323053) 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 11 ways as a sum of consecutive naturals, for example, 185839 + ... + 197034.
It is an arithmetic number, because the mean of its divisors is an integer number (194117118).
Almost surely, 22143323054 is an apocalyptic number.
2143323054 is an abundant number, since it is smaller than the sum of its proper divisors (2515487778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143323054 is a wasteful number, since it uses less digits than its factorization.
2143323054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383192 (or 383189 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 2143323054 is about 46296.0371306227. The cubic root of 2143323054 is about 1289.3254197926.
Adding to 2143323054 its reverse (4503233412), we get a palindrome (6646556466).
The spelling of 2143323054 in words is "two billion, one hundred forty-three million, three hundred twenty-three thousand, fifty-four".
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