Base | Representation |
---|---|
bin | 1001000001000010… |
… | …0100010011111111 |
3 | 20020200011001111122 |
4 | 2100100210103333 |
5 | 14424041342033 |
6 | 1040054341155 |
7 | 113655613565 |
oct | 22020442377 |
9 | 6220131448 |
10 | 2420262143 |
11 | 10321a1852 |
12 | 57665a7bb |
13 | 2c75614a0 |
14 | 18d615a35 |
15 | e2729a98 |
hex | 904244ff |
2420262143 has 4 divisors (see below), whose sum is σ = 2606436168. Its totient is φ = 2234088120.
The previous prime is 2420262113. The next prime is 2420262149. The reversal of 2420262143 is 3412620242.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412620242 = 2 ⋅1706310121.
It is a cyclic number.
It is not a de Polignac number, because 2420262143 - 212 = 2420258047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2420262149) 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, 93086993 + ... + 93087018.
It is an arithmetic number, because the mean of its divisors is an integer number (651609042).
Almost surely, 22420262143 is an apocalyptic number.
2420262143 is a deficient number, since it is larger than the sum of its proper divisors (186174025).
2420262143 is a wasteful number, since it uses less digits than its factorization.
2420262143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186174024.
The product of its (nonzero) digits is 4608, while the sum is 26.
The square root of 2420262143 is about 49196.1598399712. The cubic root of 2420262143 is about 1342.6231646541.
Adding to 2420262143 its reverse (3412620242), we get a palindrome (5832882385).
The spelling of 2420262143 in words is "two billion, four hundred twenty million, two hundred sixty-two thousand, one hundred forty-three".
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