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28300503168000 = 21036537371171
BaseRepresentation
bin1100110111101001110010…
…11100000011010000000000
310201012111112201120112000000
412123310321130003100000
512202133412302334000
6140105023252000000
75650433564563560
oct633647134032000
9121174481515000
1028300503168000
1190211a3278098
1232109b1300000
1312a395902a82b
146dba747bada0
1534126374c000
hex19bd39703400

28300503168000 has 2464 divisors, whose sum is σ = 124355156460288. Its totient is φ = 6288482304000.

The previous prime is 28300503167969. The next prime is 28300503168013. The reversal of 28300503168000 is 86130500382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 24167807415 + ... + 24167808585.

Almost surely, 228300503168000 is an apocalyptic number.

28300503168000 is a gapful number since it is divisible by the number (20) 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 28300503168000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62177578230144).

28300503168000 is an abundant number, since it is smaller than the sum of its proper divisors (96054653292288).

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

28300503168000 is an equidigital number, since it uses as much as digits as its factorization.

28300503168000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 28300503168000 its reverse (86130500382), we get a palindrome (28386633668382).

The spelling of 28300503168000 in words is "twenty-eight trillion, three hundred billion, five hundred three million, one hundred sixty-eight thousand".