Base | Representation |
---|---|
bin | 111111111010001… |
… | …0101000100101101 |
3 | 12112110010001000220 |
4 | 1333310111010231 |
5 | 13342433033422 |
6 | 552442241553 |
7 | 104066206464 |
oct | 17764250455 |
9 | 5473101026 |
10 | 2144424237 |
11 | a0052073a |
12 | 4ba1b62b9 |
13 | 2823733a7 |
14 | 164b319db |
15 | c83dee5c |
hex | 7fd1512d |
2144424237 has 4 divisors (see below), whose sum is σ = 2859232320. Its totient is φ = 1429616156.
The previous prime is 2144424229. The next prime is 2144424263. The reversal of 2144424237 is 7324244412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2144424237 - 23 = 2144424229 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2144424198 and 2144424207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144424137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357404037 + ... + 357404042.
It is an arithmetic number, because the mean of its divisors is an integer number (714808080).
Almost surely, 22144424237 is an apocalyptic number.
It is an amenable number.
2144424237 is a deficient number, since it is larger than the sum of its proper divisors (714808083).
2144424237 is an equidigital number, since it uses as much as digits as its factorization.
2144424237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714808082.
The product of its digits is 43008, while the sum is 33.
The square root of 2144424237 is about 46307.9284464334. The cubic root of 2144424237 is about 1289.5461891491.
Adding to 2144424237 its reverse (7324244412), we get a palindrome (9468668649).
The spelling of 2144424237 in words is "two billion, one hundred forty-four million, four hundred twenty-four thousand, two hundred thirty-seven".
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