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4442163142 = 22221081571
BaseRepresentation
bin1000010001100011…
…00000011111000110
3102110120201021020211
410020301200133012
533044143210032
62012442550034
7215036522644
oct41061403706
912416637224
104442163142
11197a537a0a
12a3b80831a
1355a406301
14301d72194
151aeeb6747
hex108c607c6

4442163142 has 4 divisors (see below), whose sum is σ = 6663244716. Its totient is φ = 2221081570.

The previous prime is 4442163107. The next prime is 4442163151. The reversal of 4442163142 is 2413612444.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110540784 + ... + 1110540787.

It is an arithmetic number, because the mean of its divisors is an integer number (1665811179).

Almost surely, 24442163142 is an apocalyptic number.

4442163142 is a deficient number, since it is larger than the sum of its proper divisors (2221081574).

4442163142 is a wasteful number, since it uses less digits than its factorization.

4442163142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221081573.

The product of its digits is 18432, while the sum is 31.

The square root of 4442163142 is about 66649.5547021884. The cubic root of 4442163142 is about 1643.8600259603.

Adding to 4442163142 its reverse (2413612444), we get a palindrome (6855775586).

The spelling of 4442163142 in words is "four billion, four hundred forty-two million, one hundred sixty-three thousand, one hundred forty-two".

Divisors: 1 2 2221081571 4442163142