Base | Representation |
---|---|
bin | 101001010111111100101… |
… | …101010001100011110001 |
3 | 101001210211102002000001100 |
4 | 221113330231101203301 |
5 | 333040400024000424 |
6 | 10014053140155013 |
7 | 412262320451034 |
oct | 51277455214361 |
9 | 11053742060040 |
10 | 2843213109489 |
11 | 9a6888750305 |
12 | 39b04a398a69 |
13 | 178163171acc |
14 | 9b88002101b |
15 | 4de59de3dc9 |
hex | 295fcb518f1 |
2843213109489 has 27 divisors (see below), whose sum is σ = 4243850441337. Its totient is φ = 1834229867400.
The previous prime is 2843213109467. The next prime is 2843213109491. The reversal of 2843213109489 is 9849013123482.
The square root of 2843213109489 is 1686183.
It is a perfect power (a square), and thus also a powerful number.
2843213109489 is a `hidden beast` number, since 2 + 8 + 43 + 2 + 13 + 109 + 489 = 666.
It is not a de Polignac number, because 2843213109489 - 215 = 2843213076721 is a prime.
It is a super-2 number, since 2×28432131094892 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2843213109419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 156805954 + ... + 156824084.
Almost surely, 22843213109489 is an apocalyptic number.
2843213109489 is the 1686183-rd square number.
2843213109489 is the 843092-nd centered octagonal number.
It is an amenable number.
2843213109489 is a deficient number, since it is larger than the sum of its proper divisors (1400637331848).
2843213109489 is an frugal number, since it uses more digits than its factorization.
2843213109489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36330 (or 18165 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 54.
The spelling of 2843213109489 in words is "two trillion, eight hundred forty-three billion, two hundred thirteen million, one hundred nine thousand, four hundred eighty-nine".
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