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82913808384 = 21235117573
BaseRepresentation
bin100110100111000001…
…1000101000000000000
321221000101221212200000
41031032003011000000
52324301413332014
6102031242400000
75663452512531
oct1151603050000
9257011855600
1082913808384
1132188757490
121409b800000
137a849cb9a4
144027b46688
1522541d9509
hex134e0c5000

82913808384 has 312 divisors, whose sum is σ = 270984753312. Its totient is φ = 25122078720.

The previous prime is 82913808371. The next prime is 82913808403. The reversal of 82913808384 is 48380831928.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82913808384.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10944822 + ... + 10952394.

It is an arithmetic number, because the mean of its divisors is an integer number (868540876).

Almost surely, 282913808384 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 82913808384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135492376656).

82913808384 is an abundant number, since it is smaller than the sum of its proper divisors (188070944928).

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

82913808384 is an equidigital number, since it uses as much as digits as its factorization.

82913808384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 82913808384 in words is "eighty-two billion, nine hundred thirteen million, eight hundred eight thousand, three hundred eighty-four".