Base | Representation |
---|---|
bin | 1010110011001001… |
… | …0000011011100000 |
3 | 21111000201010101000 |
4 | 2230302100123200 |
5 | 21414101340043 |
6 | 1155352312000 |
7 | 131556603123 |
oct | 25462203340 |
9 | 7430633330 |
10 | 2898855648 |
11 | 1258368177 |
12 | 68a9a2600 |
13 | 37275cc00 |
14 | 1d6dd83ba |
15 | 11e7652d3 |
hex | acc906e0 |
2898855648 has 144 divisors (see below), whose sum is σ = 9155870640. Its totient is φ = 891910656.
The previous prime is 2898855629. The next prime is 2898855709. The reversal of 2898855648 is 8465588982.
It is a tau number, because it is divible by the number of its divisors (144).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136090 + ... + 155942.
It is an arithmetic number, because the mean of its divisors is an integer number (63582435).
Almost surely, 22898855648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2898855648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4577935320).
2898855648 is an abundant number, since it is smaller than the sum of its proper divisors (6257014992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2898855648 is a wasteful number, since it uses less digits than its factorization.
2898855648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19898 (or 19871 counting only the distinct ones).
The product of its digits is 44236800, while the sum is 63.
The square root of 2898855648 is about 53841.0219813852. The cubic root of 2898855648 is about 1425.8555482889.
The spelling of 2898855648 in words is "two billion, eight hundred ninety-eight million, eight hundred fifty-five thousand, six hundred forty-eight".
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