Base | Representation |
---|---|
bin | 111111011110110… |
… | …1100001110101001 |
3 | 12111110011100110121 |
4 | 1332331230032221 |
5 | 13330301214121 |
6 | 551211243241 |
7 | 103533363316 |
oct | 17675541651 |
9 | 5443140417 |
10 | 2130101161 |
11 | 9a3428591 |
12 | 4b5449521 |
13 | 27c3c9bb6 |
14 | 162c83d0d |
15 | c7011141 |
hex | 7ef6c3a9 |
2130101161 has 2 divisors, whose sum is σ = 2130101162. Its totient is φ = 2130101160.
The previous prime is 2130101119. The next prime is 2130101219. The reversal of 2130101161 is 1611010312.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1550784400 + 579316761 = 39380^2 + 24069^2 .
It is a cyclic number.
It is not a de Polignac number, because 2130101161 - 219 = 2129576873 is a prime.
It is not a weakly prime, because it can be changed into another prime (2130105161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065050580 + 1065050581.
It is an arithmetic number, because the mean of its divisors is an integer number (1065050581).
Almost surely, 22130101161 is an apocalyptic number.
It is an amenable number.
2130101161 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130101161 is an equidigital number, since it uses as much as digits as its factorization.
2130101161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 16.
The square root of 2130101161 is about 46153.0189803441. The cubic root of 2130101161 is about 1286.6687200146.
Adding to 2130101161 its reverse (1611010312), we get a palindrome (3741111473).
The spelling of 2130101161 in words is "two billion, one hundred thirty million, one hundred one thousand, one hundred sixty-one".
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