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20443314212 = 225110828553
BaseRepresentation
bin10011000010100001…
…000011100000100100
31221202201200222000122
4103002201003200210
5313331442023322
613220323101112
71322414206106
oct230241034044
957681628018
1020443314212
118740799602
123b66511798
131c0a4a3439
14dbd123576
157e9b38442
hex4c2843824

20443314212 has 6 divisors (see below), whose sum is σ = 35775799878. Its totient is φ = 10221657104.

The previous prime is 20443314193. The next prime is 20443314257. The reversal of 20443314212 is 21241334402.

It can be written as a sum of positive squares in only one way, i.e., 19772296996 + 671017216 = 140614^2 + 25904^2 .

It is a super-2 number, since 2×204433142122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555414273 + ... + 2555414280.

It is an arithmetic number, because the mean of its divisors is an integer number (5962633313).

Almost surely, 220443314212 is an apocalyptic number.

It is an amenable number.

20443314212 is a deficient number, since it is larger than the sum of its proper divisors (15332485666).

20443314212 is a wasteful number, since it uses less digits than its factorization.

20443314212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110828557 (or 5110828555 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20443314212 its reverse (21241334402), we get a palindrome (41684648614).

The spelling of 20443314212 in words is "twenty billion, four hundred forty-three million, three hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 5110828553 10221657106 20443314212