Base | Representation |
---|---|
bin | 111111110111101… |
… | …1100010101000010 |
3 | 12112100200221211100 |
4 | 1333233130111002 |
5 | 13342121040414 |
6 | 552354555230 |
7 | 104052263001 |
oct | 17757342502 |
9 | 5470627740 |
10 | 2143143234 |
11 | 9aa826261 |
12 | 4b9898b16 |
13 | 2820152bb |
14 | 1648bac38 |
15 | c823a609 |
hex | 7fbdc542 |
2143143234 has 24 divisors (see below), whose sum is σ = 4671970992. Its totient is φ = 709997400.
The previous prime is 2143143187. The next prime is 2143143241. The reversal of 2143143234 is 4323413412.
2143143234 is a `hidden beast` number, since 21 + 4 + 314 + 323 + 4 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 2143143198 and 2143143207.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362292 + ... + 368159.
It is an arithmetic number, because the mean of its divisors is an integer number (194665458).
Almost surely, 22143143234 is an apocalyptic number.
2143143234 is an abundant number, since it is smaller than the sum of its proper divisors (2528827758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143143234 is a wasteful number, since it uses less digits than its factorization.
2143143234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 730622 (or 730619 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 2143143234 is about 46294.0950230156. The cubic root of 2143143234 is about 1289.2893616133.
Adding to 2143143234 its reverse (4323413412), we get a palindrome (6466556646).
The spelling of 2143143234 in words is "two billion, one hundred forty-three million, one hundred forty-three thousand, two hundred thirty-four".
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