Base | Representation |
---|---|
bin | 1001010000101000… |
… | …0100110101000101 |
3 | 20102020020002002211 |
4 | 2110022010311011 |
5 | 20042312403224 |
6 | 1050352303421 |
7 | 115411560643 |
oct | 22412046505 |
9 | 6366202084 |
10 | 2485669189 |
11 | 1066106063 |
12 | 594541b71 |
13 | 307c82593 |
14 | 1981a0193 |
15 | e8349894 |
hex | 94284d45 |
2485669189 has 2 divisors, whose sum is σ = 2485669190. Its totient is φ = 2485669188.
The previous prime is 2485669177. The next prime is 2485669211. The reversal of 2485669189 is 9819665842.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2148322500 + 337346689 = 46350^2 + 18367^2 .
It is a cyclic number.
It is not a de Polignac number, because 2485669189 - 27 = 2485669061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2485669169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242834594 + 1242834595.
It is an arithmetic number, because the mean of its divisors is an integer number (1242834595).
Almost surely, 22485669189 is an apocalyptic number.
It is an amenable number.
2485669189 is a deficient number, since it is larger than the sum of its proper divisors (1).
2485669189 is an equidigital number, since it uses as much as digits as its factorization.
2485669189 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7464960, while the sum is 58.
The square root of 2485669189 is about 49856.4859271088. The cubic root of 2485669189 is about 1354.6105168158.
The spelling of 2485669189 in words is "two billion, four hundred eighty-five million, six hundred sixty-nine thousand, one hundred eighty-nine".
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