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443213121412131 = 3778191269920921
BaseRepresentation
bin110010011000110011001100…
…0101010010101110000100011
32011010021202112110222212222220
41210301212120222111300203
5431043100433040142011
64210345144102202123
7162233043215250150
oct14461463052256043
92133252473885886
10443213121412131
111192486a15497a4
1241861809723343
131603ca83235b65
147b638b562d227
153638ecc949506
hex1931998a95c23

443213121412131 has 16 divisors (see below), whose sum is σ = 675381015456768. Its totient is φ = 253261400817600.

The previous prime is 443213121412079. The next prime is 443213121412157. The reversal of 443213121412131 is 131214121312344.

It is not a de Polignac number, because 443213121412131 - 217 = 443213121281059 is a prime.

It is a super-2 number, since 2×4432131214121312 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 443213121412092 and 443213121412101.

It is not an unprimeable number, because it can be changed into a prime (443213121412031) 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, 133318450 + ... + 136602471.

It is an arithmetic number, because the mean of its divisors is an integer number (42211313466048).

Almost surely, 2443213121412131 is an apocalyptic number.

443213121412131 is a deficient number, since it is larger than the sum of its proper divisors (232167894044637).

443213121412131 is a wasteful number, since it uses less digits than its factorization.

443213121412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269999122.

The product of its digits is 13824, while the sum is 33.

Adding to 443213121412131 its reverse (131214121312344), we get a palindrome (574427242724475).

The spelling of 443213121412131 in words is "four hundred forty-three trillion, two hundred thirteen billion, one hundred twenty-one million, four hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 7 21 78191 234573 547337 1642011 269920921 809762763 1889446447 5668339341 21105386733911 63316160201733 147737707137377 443213121412131