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20450284314 = 23119312912213
BaseRepresentation
bin10011000010111011…
…101001001100011010
31221210012211002012120
4103002323221030122
5313340233044224
613221132322110
71322530356105
oct230273511432
957705732176
1020450284314
11874471a319
123b68913336
131c0ba73b65
14dc001973c
157ea563779
hex4c2ee931a

20450284314 has 32 divisors (see below), whose sum is σ = 40985072064. Its totient is φ = 6802696320.

The previous prime is 20450284303. The next prime is 20450284333. The reversal of 20450284314 is 41348205402.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9239872 + ... + 9242084.

It is an arithmetic number, because the mean of its divisors is an integer number (1280783502).

Almost surely, 220450284314 is an apocalyptic number.

20450284314 is an abundant number, since it is smaller than the sum of its proper divisors (20534787750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20450284314 is a wasteful number, since it uses less digits than its factorization.

20450284314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 20450284314 its reverse (41348205402), we get a palindrome (61798489716).

The spelling of 20450284314 in words is "twenty billion, four hundred fifty million, two hundred eighty-four thousand, three hundred fourteen".

Divisors: 1 2 3 6 1193 1291 2213 2386 2582 3579 3873 4426 6639 7158 7746 13278 1540163 2640109 2856983 3080326 4620489 5280218 5713966 7920327 8570949 9240978 15840654 17141898 3408380719 6816761438 10225142157 20450284314