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9820467648 = 263367271313
BaseRepresentation
bin10010010010101100…
…00111000111000000
3221100101221110001000
421021112013013000
5130103014431043
64302250412000
7465234412005
oct111126070700
927311843030
109820467648
11418a441772
121aa0a31000
13c0674b404
1469238b8ac
153c72482d3
hex2495871c0

9820467648 has 224 divisors, whose sum is σ = 29503339520. Its totient is φ = 3202467840.

The previous prime is 9820467599. The next prime is 9820467689. The reversal of 9820467648 is 8467640289.

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

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 9820467648 = 2723 + 21403 = 12723 + 19803.

It is a junction number, because it is equal to n+sod(n) for n = 9820467594 and 9820467603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31375140 + ... + 31375452.

Almost surely, 29820467648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9820467648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14751669760).

9820467648 is an abundant number, since it is smaller than the sum of its proper divisors (19682871872).

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

9820467648 is a wasteful number, since it uses less digits than its factorization.

9820467648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 9820467648 is about 99098.2726791946. The cubic root of 9820467648 is about 2141.4637297278.

The spelling of 9820467648 in words is "nine billion, eight hundred twenty million, four hundred sixty-seven thousand, six hundred forty-eight".