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2898855648 = 253313219853
BaseRepresentation
bin1010110011001001…
…0000011011100000
321111000201010101000
42230302100123200
521414101340043
61155352312000
7131556603123
oct25462203340
97430633330
102898855648
111258368177
1268a9a2600
1337275cc00
141d6dd83ba
1511e7652d3
hexacc906e0

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".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 169 208 216 234 288 312 338 351 416 432 468 507 624 676 702 864 936 1014 1248 1352 1404 1521 1872 2028 2704 2808 3042 3744 4056 4563 5408 5616 6084 8112 9126 11232 12168 16224 18252 19853 24336 36504 39706 48672 59559 73008 79412 119118 146016 158824 178677 238236 258089 317648 357354 476472 516178 536031 635296 714708 774267 952944 1032356 1072062 1429416 1548534 1905888 2064712 2144124 2322801 2858832 3097068 3355157 4129424 4288248 4645602 5717664 6194136 6710314 6968403 8258848 8576496 9291204 10065471 12388272 13420628 13936806 17152992 18582408 20130942 24776544 26841256 27873612 30196413 37164816 40261884 53682512 55747224 60392826 74329632 80523768 90589239 107365024 111494448 120785652 161047536 181178478 222988896 241571304 322095072 362356956 483142608 724713912 966285216 1449427824 2898855648