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4224068881 = 4729389317
BaseRepresentation
bin1111101111000110…
…0010110100010001
3101220101022221011121
43323301202310101
532122330201011
61535052242241
7206450664424
oct37361426421
911811287147
104224068881
11187841651a
1299a770381
13524185156
142c0ddd9bb
1519ac85e71
hexfbc62d11

4224068881 has 4 divisors (see below), whose sum is σ = 4224205492. Its totient is φ = 4223932272.

The previous prime is 4224068839. The next prime is 4224068903. The reversal of 4224068881 is 1888604224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2041684225 + 2182384656 = 45185^2 + 46716^2 .

It is a cyclic number.

It is not a de Polignac number, because 4224068881 - 221 = 4221971729 is a prime.

It is a super-3 number, since 3×42240688813 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4224060881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635 + ... + 91951.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051373).

Almost surely, 24224068881 is an apocalyptic number.

It is an amenable number.

4224068881 is a deficient number, since it is larger than the sum of its proper divisors (136611).

4224068881 is an equidigital number, since it uses as much as digits as its factorization.

4224068881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136610.

The product of its (nonzero) digits is 196608, while the sum is 43.

The square root of 4224068881 is about 64992.8371514892. The cubic root of 4224068881 is about 1616.5047949642.

The spelling of 4224068881 in words is "four billion, two hundred twenty-four million, sixty-eight thousand, eight hundred eighty-one".

Divisors: 1 47293 89317 4224068881