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28056184080288 = 2537213243219087
BaseRepresentation
bin1100110000100010101101…
…11000101100011110100000
310200100010220201002220111120
412120101112320230132200
512134133031111032123
6135400455534012240
75623664252603400
oct630212670543640
9120303821086446
1028056184080288
118a37619543381
123191587347080
1312868c0bb5800
146cdcd8676800
15339c1453b2e3
hex198456e2c7a0

28056184080288 has 648 divisors, whose sum is σ = 94981172505408. Its totient is φ = 7226974669824.

The previous prime is 28056184080263. The next prime is 28056184080317. The reversal of 28056184080288 is 88208048165082.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1469901081 + ... + 1469920167.

It is an arithmetic number, because the mean of its divisors is an integer number (146575883496).

Almost surely, 228056184080288 is an apocalyptic number.

28056184080288 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 28056184080288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47490586252704).

28056184080288 is an abundant number, since it is smaller than the sum of its proper divisors (66924988425120).

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

28056184080288 is a wasteful number, since it uses less digits than its factorization.

28056184080288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226 (or 19155 counting only the distinct ones).

The product of its (nonzero) digits is 15728640, while the sum is 60.

The spelling of 28056184080288 in words is "twenty-eight trillion, fifty-six billion, one hundred eighty-four million, eighty thousand, two hundred eighty-eight".