Base | Representation |
---|---|
bin | 111111111101011… |
… | …0101100110101001 |
3 | 12112120022201101002 |
4 | 1333322311212221 |
5 | 13343402132340 |
6 | 552543004345 |
7 | 104116543532 |
oct | 17772654651 |
9 | 5476281332 |
10 | 2146130345 |
11 | a01486547 |
12 | 4ba8996b5 |
13 | 28281cb18 |
14 | 165057689 |
15 | c862a715 |
hex | 7feb59a9 |
2146130345 has 32 divisors (see below), whose sum is σ = 2725643520. Its totient is φ = 1619031040.
The previous prime is 2146130339. The next prime is 2146130377. The reversal of 2146130345 is 5430316412.
It is not a de Polignac number, because 2146130345 - 28 = 2146130089 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2819765 + ... + 2820525.
It is an arithmetic number, because the mean of its divisors is an integer number (85176360).
Almost surely, 22146130345 is an apocalyptic number.
It is an amenable number.
2146130345 is a deficient number, since it is larger than the sum of its proper divisors (579513175).
2146130345 is a wasteful number, since it uses less digits than its factorization.
2146130345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1105.
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 2146130345 is about 46326.3461218344. The cubic root of 2146130345 is about 1289.8880869602. Note that the first 3 decimals are identical.
Adding to 2146130345 its reverse (5430316412), we get a palindrome (7576446757).
The spelling of 2146130345 in words is "two billion, one hundred forty-six million, one hundred thirty thousand, three hundred forty-five".
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