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2041520509728 = 2532721087133087
BaseRepresentation
bin11101101101010100000…
…110101101001100100000
321020011112002000021200200
4131231110012231030200
5231422013222302403
64201510033345200
7300331532004600
oct35552406551440
97204462007620
102041520509728
11717893118337
1228b7b1108200
1311a68c63a31b
1470b4ad7cc00
1538188210ca3
hex1db541ad320

2041520509728 has 216 divisors, whose sum is σ = 6759686449152. Its totient is φ = 582750588672.

The previous prime is 2041520509709. The next prime is 2041520509757. The reversal of 2041520509728 is 8279050251402.

2041520509728 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 520 + 50 + 9 + 72 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15273201 + ... + 15406287.

It is an arithmetic number, because the mean of its divisors is an integer number (31294844672).

Almost surely, 22041520509728 is an apocalyptic number.

2041520509728 is a gapful number since it is divisible by the number (28) 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 2041520509728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379843224576).

2041520509728 is an abundant number, since it is smaller than the sum of its proper divisors (4718165939424).

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

2041520509728 is a wasteful number, since it uses less digits than its factorization.

2041520509728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134204 (or 134186 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 2041520509728 in words is "two trillion, forty-one billion, five hundred twenty million, five hundred nine thousand, seven hundred twenty-eight".