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443213131133020 = 225294311911772209
BaseRepresentation
bin110010011000110011001100…
…1001111011011000001011100
32011010021202120011021202112211
41210301212121033123001130
5431043100443032224040
64210345145050410204
7162233043364005013
oct14461463117330134
92133252504252484
10443213131133020
111192486a6a89196
1241861810a30964
131603ca8525a671
147b638b6a3da7a
153638ecd7198ea
hex19319993db05c

443213131133020 has 48 divisors (see below), whose sum is σ = 962845095643200. Its totient is φ = 171171474324480.

The previous prime is 443213131133009. The next prime is 443213131133021. The reversal of 443213131133020 is 20331131312344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443213131133021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249204676 + ... + 250976884.

It is an arithmetic number, because the mean of its divisors is an integer number (20059272825900).

Almost surely, 2443213131133020 is an apocalyptic number.

It is an amenable number.

443213131133020 is an abundant number, since it is smaller than the sum of its proper divisors (519631964510180).

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

443213131133020 is a wasteful number, since it uses less digits than its factorization.

443213131133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203438 (or 2203436 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 443213131133020 its reverse (20331131312344), we get a palindrome (463544262445364).

The spelling of 443213131133020 in words is "four hundred forty-three trillion, two hundred thirteen billion, one hundred thirty-one million, one hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 431191 862382 1724764 1772209 2155955 3544418 4311910 7088836 8623820 8861045 12504539 17722090 25009078 35444180 50018156 51394061 62522695 102788122 125045390 205576244 250090780 256970305 513940610 1027881220 764160570919 1528321141838 3056642283676 3820802854595 7641605709190 15283211418380 22160656556651 44321313113302 88642626226604 110803282783255 221606565566510 443213131133020