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28452808716480 = 2633519317479767
BaseRepresentation
bin1100111100000101011111…
…00011100111000011000000
310201202001200011100000211000
412132002233203213003000
512212132323012411410
6140303012340252000
75664435060435531
oct636025743470300
9121661604300730
1028452808716480
11907a84a836a05
1232364180a1000
1312b511c145755
147051a2442688
153451c9946dc0
hex19e0af8e70c0

28452808716480 has 448 divisors, whose sum is σ = 100963354567680. Its totient is φ = 7543009640448.

The previous prime is 28452808716463. The next prime is 28452808716487. The reversal of 28452808716480 is 8461780825482.

28452808716480 is a `hidden beast` number, since 2 + 8 + 4 + 5 + 2 + 80 + 8 + 71 + 6 + 480 = 666.

It is not an unprimeable number, because it can be changed into a prime (28452808716487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2913152557 + ... + 2913162323.

Almost surely, 228452808716480 is an apocalyptic number.

28452808716480 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 28452808716480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50481677283840).

28452808716480 is an abundant number, since it is smaller than the sum of its proper divisors (72510545851200).

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

28452808716480 is a wasteful number, since it uses less digits than its factorization.

28452808716480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733 (or 11717 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 63.

The spelling of 28452808716480 in words is "twenty-eight trillion, four hundred fifty-two billion, eight hundred eight million, seven hundred sixteen thousand, four hundred eighty".