Base | Representation |
---|---|
bin | 111111110111100… |
… | …0101100100101001 |
3 | 12112100112012222011 |
4 | 1333233011210221 |
5 | 13342110100100 |
6 | 552352555521 |
7 | 104051424154 |
oct | 17757054451 |
9 | 5470465864 |
10 | 2143050025 |
11 | 9aa772226 |
12 | 4b9852ba1 |
13 | 281cb1a4c |
14 | 164894c9b |
15 | c821cbba |
hex | 7fbc5929 |
2143050025 has 12 divisors (see below), whose sum is σ = 2658250000. Its totient is φ = 1713880080.
The previous prime is 2143049999. The next prime is 2143050029. The reversal of 2143050025 is 5200503412.
It is not a de Polignac number, because 2143050025 - 27 = 2143049897 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2143049978 and 2143050005.
It is not an unprimeable number, because it can be changed into a prime (2143050029) by changing a digit.
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, 75226 + ... + 99724.
Almost surely, 22143050025 is an apocalyptic number.
2143050025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2143050025 is a deficient number, since it is larger than the sum of its proper divisors (515199975).
2143050025 is a wasteful number, since it uses less digits than its factorization.
2143050025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28008 (or 28003 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 2143050025 is about 46293.0883070032. The cubic root of 2143050025 is about 1289.2706702021.
Adding to 2143050025 its reverse (5200503412), we get a palindrome (7343553437).
The spelling of 2143050025 in words is "two billion, one hundred forty-three million, fifty thousand, twenty-five".
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