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11311488000 = 21034531091
BaseRepresentation
bin10101000100011011…
…11001110000000000
31002012022120010110000
422202031321300000
5141131220104000
65110232240000
7550211030061
oct124215716000
932168503400
1011311488000
11488504939a
122238240000
1310b3618387
147943d4568
154630bc000
hex2a2379c00

11311488000 has 440 divisors, whose sum is σ = 42193975824. Its totient is φ = 3013632000.

The previous prime is 11311487977. The next prime is 11311488011. The reversal of 11311488000 is 88411311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10367455 + ... + 10368545.

Almost surely, 211311488000 is an apocalyptic number.

11311488000 is a gapful number since it is divisible by the number (10) 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 11311488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21096987912).

11311488000 is an abundant number, since it is smaller than the sum of its proper divisors (30882487824).

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

11311488000 is an equidigital number, since it uses as much as digits as its factorization.

11311488000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 11311488000 its reverse (88411311), we get a palindrome (11399899311).

The spelling of 11311488000 in words is "eleven billion, three hundred eleven million, four hundred eighty-eight thousand".