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663059386080 = 253357132235641
BaseRepresentation
bin10011010011000010110…
…10110100111011100000
32100101110202012202222000
421221201122310323200
541330421200323310
61224334423444000
765622141534450
oct11514132647340
92311422182860
10663059386080
11236224812703
12a86092b6600
134a6ac192600
142414119bd60
15123aae954c0
hex9a616b4ee0

663059386080 has 1152 divisors, whose sum is σ = 2997348157440. Its totient is φ = 133791989760.

The previous prime is 663059386013. The next prime is 663059386081. The reversal of 663059386080 is 80683950366.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663059386081) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 117540060 + ... + 117545700.

It is an arithmetic number, because the mean of its divisors is an integer number (2601864720).

Almost surely, 2663059386080 is an apocalyptic number.

663059386080 is a gapful number since it is divisible by the number (60) 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 663059386080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498674078720).

663059386080 is an abundant number, since it is smaller than the sum of its proper divisors (2334288771360).

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

663059386080 is a wasteful number, since it uses less digits than its factorization.

663059386080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5694 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 663059386080 in words is "six hundred sixty-three billion, fifty-nine million, three hundred eighty-six thousand, eighty".