Base | Representation |
---|---|
bin | 111111110101100… |
… | …1111010010011101 |
3 | 12112021121222011221 |
4 | 1333223033102131 |
5 | 13341330304440 |
6 | 552315213341 |
7 | 104040023131 |
oct | 17753172235 |
9 | 5467558157 |
10 | 2142041245 |
11 | 9aa143323 |
12 | 4b9447251 |
13 | 281a1a836 |
14 | 1646b13c1 |
15 | c80bdd4a |
hex | 7facf49d |
2142041245 has 16 divisors (see below), whose sum is σ = 2609280000. Its totient is φ = 1687795200.
The previous prime is 2142041243. The next prime is 2142041261. The reversal of 2142041245 is 5421402412.
It is not a de Polignac number, because 2142041245 - 21 = 2142041243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142041243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440980 + ... + 445810.
It is an arithmetic number, because the mean of its divisors is an integer number (163080000).
Almost surely, 22142041245 is an apocalyptic number.
It is an amenable number.
2142041245 is a deficient number, since it is larger than the sum of its proper divisors (467238755).
2142041245 is a wasteful number, since it uses less digits than its factorization.
2142041245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6156.
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 2142041245 is about 46282.1914455225. The cubic root of 2142041245 is about 1289.0683425885.
Adding to 2142041245 its reverse (5421402412), we get a palindrome (7563443657).
The spelling of 2142041245 in words is "two billion, one hundred forty-two million, forty-one thousand, two hundred forty-five".
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