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4128443827 = 61415916273
BaseRepresentation
bin1111011000010011…
…0000110110110011
3101122201101200020221
43312010300312303
531423340200302
61521354513511
7204210123244
oct36604606663
911581350227
104128443827
111829442a52
12972735897
1350a413a91
142b242accb
15192697937
hexf6130db3

4128443827 has 8 divisors (see below), whose sum is σ = 4197390080. Its totient is φ = 4059538560.

The previous prime is 4128443777. The next prime is 4128443867. The reversal of 4128443827 is 7283448214.

4128443827 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4128443827 - 227 = 3994226099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128443867) 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 7 ways as a sum of consecutive naturals, for example, 245563 + ... + 261835.

It is an arithmetic number, because the mean of its divisors is an integer number (524673760).

Almost surely, 24128443827 is an apocalyptic number.

4128443827 is a deficient number, since it is larger than the sum of its proper divisors (68946253).

4128443827 is a wasteful number, since it uses less digits than its factorization.

4128443827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20493.

The product of its digits is 344064, while the sum is 43.

The square root of 4128443827 is about 64252.9674567642. The cubic root of 4128443827 is about 1604.2133516936.

The spelling of 4128443827 in words is "four billion, one hundred twenty-eight million, four hundred forty-three thousand, eight hundred twenty-seven".

Divisors: 1 61 4159 16273 253699 992653 67679407 4128443827