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485989486848 = 283561891439
BaseRepresentation
bin1110001001001110011…
…10110001000100000000
31201110102102221220100000
413010213032301010000
530430301302034343
61011132133200000
750053162323255
oct7044716610400
91643372856300
10485989486848
1117811a439608
127a230a90000
1336aa05ca8c8
14197445b142c
15c995b24ed3
hex71273b1100

485989486848 has 432 divisors, whose sum is σ = 1494579340800. Its totient is φ = 157440983040.

The previous prime is 485989486831. The next prime is 485989486849. The reversal of 485989486848 is 848684989584.

485989486848 is a `hidden beast` number, since 4 + 8 + 5 + 98 + 9 + 486 + 8 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (81).

Its product of digits (5096079360) is a multiple of the sum of its prime factors (1620).

It is not an unprimeable number, because it can be changed into a prime (485989486849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337726513 + ... + 337727951.

It is an arithmetic number, because the mean of its divisors is an integer number (3459674400).

Almost surely, 2485989486848 is an apocalyptic number.

485989486848 is a gapful number since it is divisible by the number (48) 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 485989486848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747289670400).

485989486848 is an abundant number, since it is smaller than the sum of its proper divisors (1008589853952).

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

485989486848 is an equidigital number, since it uses as much as digits as its factorization.

485989486848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1594 counting only the distinct ones).

The product of its digits is 5096079360, while the sum is 81.

The spelling of 485989486848 in words is "four hundred eighty-five billion, nine hundred eighty-nine million, four hundred eighty-six thousand, eight hundred forty-eight".