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11989065166848 = 21235711311503
BaseRepresentation
bin1010111001110110101111…
…1110000111000000000000
31120110010212120021000200000
42232131223332013000000
53032412101140314343
641255411150400000
72345116132323330
oct256355376070000
946403776230600
1011989065166848
113902596806910
121417689800000
1368c744130c03
142d63b96330c0
1515bce2e54ed3
hexae76bf87000

11989065166848 has 1248 divisors, whose sum is σ = 45008513851392. Its totient is φ = 3097858867200.

The previous prime is 11989065166831. The next prime is 11989065166879. The reversal of 11989065166848 is 84866156098911.

11989065166848 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 9 + 0 + 6 + 516 + 68 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23835119365 + ... + 23835119867.

It is an arithmetic number, because the mean of its divisors is an integer number (36064514304).

Almost surely, 211989065166848 is an apocalyptic number.

11989065166848 is a gapful number since it is divisible by the number (18) 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 11989065166848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22504256925696).

11989065166848 is an abundant number, since it is smaller than the sum of its proper divisors (33019448684544).

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

11989065166848 is an equidigital number, since it uses as much as digits as its factorization.

11989065166848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 72.

The spelling of 11989065166848 in words is "eleven trillion, nine hundred eighty-nine billion, sixty-five million, one hundred sixty-six thousand, eight hundred forty-eight".