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11728058080 = 25573300363
BaseRepresentation
bin10101110110000101…
…11111011011100000
31010021100102002011111
422323002333123200
5143004340324310
65215432553104
7563426564104
oct127302773340
933240362144
1011728058080
114a79201692
122333852794
13114ba0bb4b
147d386d904
1548995528a
hex2bb0bf6e0

11728058080 has 24 divisors (see below), whose sum is σ = 27707537592. Its totient is φ = 4691223168.

The previous prime is 11728058071. The next prime is 11728058117. The reversal of 11728058080 is 8085082711.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 36650022 + ... + 36650341.

It is an arithmetic number, because the mean of its divisors is an integer number (1154480733).

Almost surely, 211728058080 is an apocalyptic number.

11728058080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11728058080 is an abundant number, since it is smaller than the sum of its proper divisors (15979479512).

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

11728058080 is an equidigital number, since it uses as much as digits as its factorization.

11728058080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73300378 (or 73300370 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 40.

The spelling of 11728058080 in words is "eleven billion, seven hundred twenty-eight million, fifty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 73300363 146600726 293201452 366501815 586402904 733003630 1172805808 1466007260 2345611616 2932014520 5864029040 11728058080