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4839919842420 = 2234513397578881
BaseRepresentation
bin100011001101110000110…
…1100111111010001110100
3122010200200100001112220000
41012123201230333101310
51113244123434424140
614143232315111300
71006446503605305
oct106334154772164
918120610045800
104839919842420
1115a6664635873
12662013442530
13291530340630
1412a3793687ac
1585d6dbeda30
hex466e1b3f474

4839919842420 has 240 divisors, whose sum is σ = 16392146021328. Its totient is φ = 1188361912320.

The previous prime is 4839919842413. The next prime is 4839919842421. The reversal of 4839919842420 is 242489199384.

4839919842420 is a `hidden beast` number, since 4 + 8 + 39 + 91 + 98 + 4 + 2 + 420 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 751387314276 + 4088532528144 = 866826^2 + 2022012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4839919842421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8071380 + ... + 8650260.

Almost surely, 24839919842420 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 4839919842420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8196073010664).

4839919842420 is an abundant number, since it is smaller than the sum of its proper divisors (11552226178908).

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

4839919842420 is a wasteful number, since it uses less digits than its factorization.

4839919842420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579312 (or 579301 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 4839919842420 in words is "four trillion, eight hundred thirty-nine billion, nine hundred nineteen million, eight hundred forty-two thousand, four hundred twenty".