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82068201420 = 2235172913121179
BaseRepresentation
bin100110001101110100…
…1010101111111001100
321211211110210120222120
41030123221111333030
52321033424421140
6101411314212540
75633504126232
oct1143351257714
9254743716876
1082068201420
11318943a6457
1213aa4584150
13797b76b13a
143d87708952
152204d541d0
hex131ba55fcc

82068201420 has 192 divisors, whose sum is σ = 253631347200. Its totient is φ = 19734507520.

The previous prime is 82068201407. The next prime is 82068201451. The reversal of 82068201420 is 2410286028.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3864391 + ... + 3885569.

It is an arithmetic number, because the mean of its divisors is an integer number (1320996600).

Almost surely, 282068201420 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 82068201420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126815673600).

82068201420 is an abundant number, since it is smaller than the sum of its proper divisors (171563145780).

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

82068201420 is a wasteful number, since it uses less digits than its factorization.

82068201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21368 (or 21366 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

Adding to 82068201420 its reverse (2410286028), we get a palindrome (84478487448).

The spelling of 82068201420 in words is "eighty-two billion, sixty-eight million, two hundred one thousand, four hundred twenty".