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20324302512 = 2433793832917
BaseRepresentation
bin10010111011011011…
…000011111010110000
31221110102202112122220
4102323123003322300
5313111010140022
613200432201040
71316440502163
oct227333037260
957412675586
1020324302512
11868a5a2328
123b32699180
131bbb934307
14dab3c3ada
157de47a85c
hex4bb6c3eb0

20324302512 has 80 divisors (see below), whose sum is σ = 52798525440. Its totient is φ = 6736939776.

The previous prime is 20324302469. The next prime is 20324302529. The reversal of 20324302512 is 21520342302.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 6966078 + ... + 6968994.

It is an arithmetic number, because the mean of its divisors is an integer number (659981568).

Almost surely, 220324302512 is an apocalyptic number.

It is an amenable number.

20324302512 is an abundant number, since it is smaller than the sum of its proper divisors (32474222928).

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

20324302512 is a wasteful number, since it uses less digits than its factorization.

20324302512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20324302512 its reverse (21520342302), we get a palindrome (41844644814).

The spelling of 20324302512 in words is "twenty billion, three hundred twenty-four million, three hundred two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 379 383 758 766 1137 1149 1516 1532 2274 2298 2917 3032 3064 4548 4596 5834 6064 6128 8751 9096 9192 11668 17502 18192 18384 23336 35004 46672 70008 140016 145157 290314 435471 580628 870942 1105543 1117211 1161256 1741884 2211086 2234422 2322512 3316629 3351633 3483768 4422172 4468844 6633258 6703266 6967536 8844344 8937688 13266516 13406532 17688688 17875376 26533032 26813064 53066064 53626128 423422969 846845938 1270268907 1693691876 2540537814 3387383752 5081075628 6774767504 10162151256 20324302512