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28585517048088 = 2337111319943113873
BaseRepresentation
bin1100111111111100101011…
…00101101110000100011000
310202012202012211110202221220
412133332111211232010120
512221321114331014323
6140444001044332040
76010143521566440
oct637762545560430
9122182184422856
1028585517048088
119121060172720
1232580939a4020
1312c47ab160060
1470b7914ad120
153488954390e3
hex19ff9596e118

28585517048088 has 512 divisors, whose sum is σ = 96664264704000. Its totient is φ = 6802917580800.

The previous prime is 28585517048069. The next prime is 28585517048119. The reversal of 28585517048088 is 88084071558582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2060507520 + ... + 2060521392.

It is an arithmetic number, because the mean of its divisors is an integer number (188797392000).

Almost surely, 228585517048088 is an apocalyptic number.

28585517048088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28585517048088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48332132352000).

28585517048088 is an abundant number, since it is smaller than the sum of its proper divisors (68078747655912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28585517048088 is a wasteful number, since it uses less digits than its factorization.

28585517048088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14543 (or 14539 counting only the distinct ones).

The product of its (nonzero) digits is 229376000, while the sum is 69.

The spelling of 28585517048088 in words is "twenty-eight trillion, five hundred eighty-five billion, five hundred seventeen million, forty-eight thousand, eighty-eight".