Base | Representation |
---|---|
bin | 1000000101110110… |
… | …1001010010001101 |
3 | 12121101001122221212 |
4 | 2001131221102031 |
5 | 13422020012031 |
6 | 555310104205 |
7 | 104552653136 |
oct | 20135512215 |
9 | 5541048855 |
10 | 2172032141 |
11 | a15067994 |
12 | 5074ab065 |
13 | 287cbb626 |
14 | 16867ac8d |
15 | caa4512b |
hex | 8176948d |
2172032141 has 2 divisors, whose sum is σ = 2172032142. Its totient is φ = 2172032140.
The previous prime is 2172032131. The next prime is 2172032171. The reversal of 2172032141 is 1412302712.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1764840100 + 407192041 = 42010^2 + 20179^2 .
It is a cyclic number.
It is not a de Polignac number, because 2172032141 - 210 = 2172031117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2172032131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086016070 + 1086016071.
It is an arithmetic number, because the mean of its divisors is an integer number (1086016071).
Almost surely, 22172032141 is an apocalyptic number.
It is an amenable number.
2172032141 is a deficient number, since it is larger than the sum of its proper divisors (1).
2172032141 is an equidigital number, since it uses as much as digits as its factorization.
2172032141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 2172032141 is about 46605.0656152311. The cubic root of 2172032141 is about 1295.0565989484.
Adding to 2172032141 its reverse (1412302712), we get a palindrome (3584334853).
The spelling of 2172032141 in words is "two billion, one hundred seventy-two million, thirty-two thousand, one hundred forty-one".
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