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443131142011320 = 233576725730636917
BaseRepresentation
bin110010011000001101000001…
…0010011101111100110111000
32011002222220221012021211112210
41210300122002103233212320
5431040230034323330240
64210243345235135120
7162224111536656540
oct14460320223574670
92132886835254483
10443131142011320
11119216953295584
124184994aa444a0
1316035119cb9a79
147b5d939a3c320
153636cd07d6780
hex19306824ef9b8

443131142011320 has 256 divisors, whose sum is σ = 1547982977448960. Its totient is φ = 99387135885312.

The previous prime is 443131142011303. The next prime is 443131142011321. The reversal of 443131142011320 is 23110241131344.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443131142011321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 854499 + ... + 29782418.

It is an arithmetic number, because the mean of its divisors is an integer number (6046808505660).

Almost surely, 2443131142011320 is an apocalyptic number.

443131142011320 is a gapful number since it is divisible by the number (40) 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 443131142011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773991488724480).

443131142011320 is an abundant number, since it is smaller than the sum of its proper divisors (1104851835437640).

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

443131142011320 is a wasteful number, since it uses less digits than its factorization.

443131142011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30637262 (or 30637258 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 443131142011320 its reverse (23110241131344), we get a palindrome (466241383142664).

The spelling of 443131142011320 in words is "four hundred forty-three trillion, one hundred thirty-one billion, one hundred forty-two million, eleven thousand, three hundred twenty".