Base | Representation |
---|---|
bin | 111111111001110… |
… | …0000111001011101 |
3 | 12112102201011212122 |
4 | 1333303200321131 |
5 | 13342404214100 |
6 | 552433512325 |
7 | 104064326432 |
oct | 17763407135 |
9 | 5472634778 |
10 | 2144210525 |
11 | a00395116 |
12 | 4ba1126a5 |
13 | 2822ca032 |
14 | 164ab7b89 |
15 | c839b985 |
hex | 7fce0e5d |
2144210525 has 12 divisors (see below), whose sum is σ = 2677953600. Its totient is φ = 1703024880.
The previous prime is 2144210513. The next prime is 2144210533. The reversal of 2144210525 is 5250124412.
It is not a de Polignac number, because 2144210525 - 212 = 2144206429 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2144210494 and 2144210503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305045 + ... + 311994.
It is an arithmetic number, because the mean of its divisors is an integer number (223162800).
Almost surely, 22144210525 is an apocalyptic number.
2144210525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2144210525 is a deficient number, since it is larger than the sum of its proper divisors (533743075).
2144210525 is a wasteful number, since it uses less digits than its factorization.
2144210525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617188 (or 617183 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 2144210525 is about 46305.6208791114. The cubic root of 2144210525 is about 1289.5033492660.
Adding to 2144210525 its reverse (5250124412), we get a palindrome (7394334937).
The spelling of 2144210525 in words is "two billion, one hundred forty-four million, two hundred ten thousand, five hundred twenty-five".
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