Base | Representation |
---|---|
bin | 1001000110010110… |
… | …0011110001000001 |
3 | 20022020001222220220 |
4 | 2101211203301001 |
5 | 20000242322040 |
6 | 1042212053253 |
7 | 114346160061 |
oct | 22145436101 |
9 | 6266058826 |
10 | 2442542145 |
11 | 104382a07a |
12 | 582004229 |
13 | 2cc062614 |
14 | 1925753a1 |
15 | e467b2d0 |
hex | 91963c41 |
2442542145 has 16 divisors (see below), whose sum is σ = 3957538560. Its totient is φ = 1286198784.
The previous prime is 2442542143. The next prime is 2442542171. The reversal of 2442542145 is 5412452442.
It is not a de Polignac number, because 2442542145 - 21 = 2442542143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2442542143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029424 + ... + 1031793.
It is an arithmetic number, because the mean of its divisors is an integer number (247346160).
Almost surely, 22442542145 is an apocalyptic number.
It is an amenable number.
2442542145 is a deficient number, since it is larger than the sum of its proper divisors (1514996415).
2442542145 is a wasteful number, since it uses less digits than its factorization.
2442542145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2061304.
The product of its digits is 51200, while the sum is 33.
The square root of 2442542145 is about 49422.0815526825. The cubic root of 2442542145 is about 1346.7304776141.
Adding to 2442542145 its reverse (5412452442), we get a palindrome (7854994587).
The spelling of 2442542145 in words is "two billion, four hundred forty-two million, five hundred forty-two thousand, one hundred forty-five".
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