Base | Representation |
---|---|
bin | 1010100101001100… |
… | …1001110111010001 |
3 | 21022221122210000122 |
4 | 2221103021313101 |
5 | 21304113330031 |
6 | 1145503000025 |
7 | 130246515653 |
oct | 25123116721 |
9 | 7287583018 |
10 | 2840370641 |
11 | 1228351559 |
12 | 673299015 |
13 | 3635c36b4 |
14 | 1cd3326d3 |
15 | 11956147b |
hex | a94c9dd1 |
2840370641 has 2 divisors, whose sum is σ = 2840370642. Its totient is φ = 2840370640.
The previous prime is 2840370623. The next prime is 2840370649. The reversal of 2840370641 is 1460730482.
2840370641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2189865616 + 650505025 = 46796^2 + 25505^2 .
It is a cyclic number.
It is not a de Polignac number, because 2840370641 - 218 = 2840108497 is a prime.
It is not a weakly prime, because it can be changed into another prime (2840370649) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420185320 + 1420185321.
It is an arithmetic number, because the mean of its divisors is an integer number (1420185321).
Almost surely, 22840370641 is an apocalyptic number.
It is an amenable number.
2840370641 is a deficient number, since it is larger than the sum of its proper divisors (1).
2840370641 is an equidigital number, since it uses as much as digits as its factorization.
2840370641 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 2840370641 is about 53295.1277416613. The cubic root of 2840370641 is about 1416.2013531068.
The spelling of 2840370641 in words is "two billion, eight hundred forty million, three hundred seventy thousand, six hundred forty-one".
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