Base | Representation |
---|---|
bin | 1010111101000010… |
… | …1011101111111001 |
3 | 21120220212002201012 |
4 | 2233100223233321 |
5 | 22010214330142 |
6 | 1203434403305 |
7 | 132602604542 |
oct | 25720535771 |
9 | 7526762635 |
10 | 2940386297 |
11 | 1279853822 |
12 | 6a0890535 |
13 | 37b241364 |
14 | 1dc7294c9 |
15 | 12321a882 |
hex | af42bbf9 |
2940386297 has 2 divisors, whose sum is σ = 2940386298. Its totient is φ = 2940386296.
The previous prime is 2940386291. The next prime is 2940386327. The reversal of 2940386297 is 7926830492.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1587544336 + 1352841961 = 39844^2 + 36781^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2940386297 is a prime.
It is not a weakly prime, because it can be changed into another prime (2940386291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470193148 + 1470193149.
It is an arithmetic number, because the mean of its divisors is an integer number (1470193149).
Almost surely, 22940386297 is an apocalyptic number.
It is an amenable number.
2940386297 is a deficient number, since it is larger than the sum of its proper divisors (1).
2940386297 is an equidigital number, since it uses as much as digits as its factorization.
2940386297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1306368, while the sum is 50.
The square root of 2940386297 is about 54225.3289247746. The cubic root of 2940386297 is about 1432.6324920526.
The spelling of 2940386297 in words is "two billion, nine hundred forty million, three hundred eighty-six thousand, two hundred ninety-seven".
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