Search a number
-
+
442442443214 = 21778411243927
BaseRepresentation
bin1100111000000111001…
…11111110100111001110
31120022000120111212201002
412130003213332213032
524222110231140324
6535131045020302
743652064500342
oct6340347764716
91508016455632
10442442443214
11160703252152
12718b90b4692
133295071a175
14175b2cbb622
15b797a3c3ae
hex67039fe9ce

442442443214 has 8 divisors (see below), whose sum is σ = 663667930128. Its totient is φ = 221219799840.

The previous prime is 442442443213. The next prime is 442442443271. The reversal of 442442443214 is 412344244244.

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

It is a super-2 number, since 2×4424424432142 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442442443211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266282 + ... + 977645.

It is an arithmetic number, because the mean of its divisors is an integer number (82958491266).

Almost surely, 2442442443214 is an apocalyptic number.

442442443214 is a deficient number, since it is larger than the sum of its proper divisors (221225486914).

442442443214 is a wasteful number, since it uses less digits than its factorization.

442442443214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421770.

The product of its digits is 393216, while the sum is 38.

Adding to 442442443214 its reverse (412344244244), we get a palindrome (854786687458).

The spelling of 442442443214 in words is "four hundred forty-two billion, four hundred forty-two million, four hundred forty-three thousand, two hundred fourteen".

Divisors: 1 2 177841 355682 1243927 2487854 221221221607 442442443214