Base | Representation |
---|---|
bin | 1010101011000110… |
… | …1010100011001001 |
3 | 21101200021111111122 |
4 | 2222301222203021 |
5 | 21331434133212 |
6 | 1152150005025 |
7 | 131000224334 |
oct | 25261524311 |
9 | 7350244448 |
10 | 2865146057 |
11 | 1240333704 |
12 | 67b646775 |
13 | 3687895c7 |
14 | 1d274161b |
15 | 11b807272 |
hex | aac6a8c9 |
2865146057 has 2 divisors, whose sum is σ = 2865146058. Its totient is φ = 2865146056.
The previous prime is 2865146047. The next prime is 2865146071. The reversal of 2865146057 is 7506415682.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2862678016 + 2468041 = 53504^2 + 1571^2 .
It is a cyclic number.
It is not a de Polignac number, because 2865146057 - 230 = 1791404233 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2865145999 and 2865146017.
It is not a weakly prime, because it can be changed into another prime (2865146047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432573028 + 1432573029.
It is an arithmetic number, because the mean of its divisors is an integer number (1432573029).
Almost surely, 22865146057 is an apocalyptic number.
It is an amenable number.
2865146057 is a deficient number, since it is larger than the sum of its proper divisors (1).
2865146057 is an equidigital number, since it uses as much as digits as its factorization.
2865146057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 403200, while the sum is 44.
The square root of 2865146057 is about 53527.0591103229. The cubic root of 2865146057 is about 1420.3070910587.
The spelling of 2865146057 in words is "two billion, eight hundred sixty-five million, one hundred forty-six thousand, fifty-seven".
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