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20436310014 = 232326438661
BaseRepresentation
bin10011000010000110…
…010101011111111110
31221202020112010001220
4103002012111133332
5313323143410024
613215513014210
71322300524521
oct230206253776
957666463056
1020436310014
11873784520a
123b640b4366
131c08bc0343
14dbc21cbb8
157e9202e79
hex4c21957fe

20436310014 has 24 divisors (see below), whose sum is σ = 42726961032. Its totient is φ = 6515923920.

The previous prime is 20436310009. The next prime is 20436310039. The reversal of 20436310014 is 41001363402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216157 + ... + 3222504.

It is an arithmetic number, because the mean of its divisors is an integer number (1780290043).

Almost surely, 220436310014 is an apocalyptic number.

20436310014 is an abundant number, since it is smaller than the sum of its proper divisors (22290651018).

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

20436310014 is a wasteful number, since it uses less digits than its factorization.

20436310014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438712 (or 6438689 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20436310014 its reverse (41001363402), we get a palindrome (61437673416).

The spelling of 20436310014 in words is "twenty billion, four hundred thirty-six million, three hundred ten thousand, fourteen".

Divisors: 1 2 3 6 23 46 69 138 529 1058 1587 3174 6438661 12877322 19315983 38631966 148089203 296178406 444267609 888535218 3406051669 6812103338 10218155007 20436310014