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2231230320000 = 2733541128537
BaseRepresentation
bin100000011101111111101…
…100001100110110000000
321220022012021111011121000
4200131333230030312000
5243024024430220000
64425002453132000
7320125652536503
oct40357754146600
97808167434530
102231230320000
11790294390700
1230051662a000
13132533ac7626
1479dc655d13a
153d08d0a5000
hex2077fb0cd80

2231230320000 has 960 divisors, whose sum is σ = 9046050274800. Its totient is φ = 540840960000.

The previous prime is 2231230319993. The next prime is 2231230320017. The reversal of 2231230320000 is 230321322.

It is a happy number.

2231230320000 is a `hidden beast` number, since 2 + 2 + 312 + 30 + 320 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-3 number, since 3×22312303200003 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 261355732 + ... + 261364268.

Almost surely, 22231230320000 is an apocalyptic number.

2231230320000 is a gapful number since it is divisible by the number (20) 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 2231230320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4523025137400).

2231230320000 is an abundant number, since it is smaller than the sum of its proper divisors (6814819954800).

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

2231230320000 is an equidigital number, since it uses as much as digits as its factorization.

2231230320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602 (or 8558 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 2231230320000 its reverse (230321322), we get a palindrome (2231460641322).

The spelling of 2231230320000 in words is "two trillion, two hundred thirty-one billion, two hundred thirty million, three hundred twenty thousand".