Base | Representation |
---|---|
bin | 1101000111010000… |
… | …00101010100011001 |
3 | 200011122022020101112 |
4 | 12203220011110121 |
5 | 103404240123144 |
6 | 3122331030105 |
7 | 336314244605 |
oct | 64350052431 |
9 | 20148266345 |
10 | 7040161049 |
11 | 2a92a95219 |
12 | 144589b335 |
13 | 882727b8c |
14 | 4ab012505 |
15 | 2b30ed99e |
hex | 1a3a05519 |
7040161049 has 2 divisors, whose sum is σ = 7040161050. Its totient is φ = 7040161048.
The previous prime is 7040161027. The next prime is 7040161081. The reversal of 7040161049 is 9401610407.
7040161049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an a-pointer prime, because the next prime (7040161081) can be obtained adding 7040161049 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5091821449 + 1948339600 = 71357^2 + 44140^2 .
It is a cyclic number.
It is not a de Polignac number, because 7040161049 - 212 = 7040156953 is a prime.
It is not a weakly prime, because it can be changed into another prime (7040161949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520080524 + 3520080525.
It is an arithmetic number, because the mean of its divisors is an integer number (3520080525).
Almost surely, 27040161049 is an apocalyptic number.
It is an amenable number.
7040161049 is a deficient number, since it is larger than the sum of its proper divisors (1).
7040161049 is an equidigital number, since it uses as much as digits as its factorization.
7040161049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 7040161049 is about 83905.6675618519. The cubic root of 7040161049 is about 1916.5825573610.
The spelling of 7040161049 in words is "seven billion, forty million, one hundred sixty-one thousand, forty-nine".
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