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440004212143 = 5474493179033
BaseRepresentation
bin1100110011100100100…
…10110111010110101111
31120001201122112220110121
412121302102313112233
524202112034242033
6534045105145411
743534500044056
oct6316222672657
91501648486417
10440004212143
1115a6719a8051
127133862b267
1332652536ba2
141742114939d
15b6a396362d
hex66724b75af

440004212143 has 8 divisors (see below), whose sum is σ = 440909180208. Its totient is φ = 439099612224.

The previous prime is 440004212117. The next prime is 440004212159. The reversal of 440004212143 is 341212400044.

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 440004212143 - 25 = 440004212111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440004222143) 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 7 ways as a sum of consecutive naturals, for example, 2368155 + ... + 2547187.

It is an arithmetic number, because the mean of its divisors is an integer number (55113647526).

Almost surely, 2440004212143 is an apocalyptic number.

440004212143 is a deficient number, since it is larger than the sum of its proper divisors (904968065).

440004212143 is a wasteful number, since it uses less digits than its factorization.

440004212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184073.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 440004212143 its reverse (341212400044), we get a palindrome (781216612187).

The spelling of 440004212143 in words is "four hundred forty billion, four million, two hundred twelve thousand, one hundred forty-three".

Divisors: 1 547 4493 179033 2457671 97931051 804395269 440004212143