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233131233030000 = 24354531011451717
BaseRepresentation
bin110101000000100000011000…
…010101001010111101110000
31010120110010110110200202022020
4311000200120111022331300
5221024110231123430000
62143455002051311440
7100051114166432124
oct6500403025127560
91116403413622266
10233131233030000
1168312445365968
122219248a2ab580
13a0112476c01a6
14417d87d01d584
151be44297d2ba0
hexd4081854af70

233131233030000 has 400 divisors, whose sum is σ = 774370700379936. Its totient is φ = 60391385600000.

The previous prime is 233131233029977. The next prime is 233131233030041. The reversal of 233131233030000 is 30332131332.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 79 ways as a sum of consecutive naturals, for example, 159864142 + ... + 161315858.

Almost surely, 2233131233030000 is an apocalyptic number.

233131233030000 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 233131233030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387185350189968).

233131233030000 is an abundant number, since it is smaller than the sum of its proper divisors (541239467349936).

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

233131233030000 is a wasteful number, since it uses less digits than its factorization.

233131233030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451902 (or 1451881 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 233131233030000 its reverse (30332131332), we get a palindrome (233161565161332).

The spelling of 233131233030000 in words is "two hundred thirty-three trillion, one hundred thirty-one billion, two hundred thirty-three million, thirty thousand".