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2143223232000 = 29353791011399
BaseRepresentation
bin11111001100000010000…
…011110011011000000000
321120220000220121212210020
4133030002003303120000
5240103310121411000
64320325543533440
7310562032614144
oct37140203633000
97526026555706
102143223232000
11756a32705924
122a745515a280
13127149b3a426
1475a381d3224
153ab3bb8aba0
hex1f3020f3600

2143223232000 has 640 divisors, whose sum is σ = 7292533248000. Its totient is φ = 558305280000.

The previous prime is 2143223231983. The next prime is 2143223232011. The reversal of 2143223232000 is 2323223412.

It is a tau number, because it is divible by the number of its divisors (640).

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1531967301 + ... + 1531968699.

It is an arithmetic number, because the mean of its divisors is an integer number (11394583200).

Almost surely, 22143223232000 is an apocalyptic number.

2143223232000 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 2143223232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3646266624000).

2143223232000 is an abundant number, since it is smaller than the sum of its proper divisors (5149310016000).

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

2143223232000 is a wasteful number, since it uses less digits than its factorization.

2143223232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 2143223232000 its reverse (2323223412), we get a palindrome (2145546455412).

The spelling of 2143223232000 in words is "two trillion, one hundred forty-three billion, two hundred twenty-three million, two hundred thirty-two thousand".