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16808434050 = 2352316753951
BaseRepresentation
bin11111010011101110…
…00101100110000010
31121101102000220211110
433221313011212002
5233410424342200
611415515024150
71133346221622
oct175167054602
947342026743
1016808434050
117145a17311
12331113b056
13177b3ccc85
14b56494882
15685986b50
hex3e9dc5982

16808434050 has 96 divisors (see below), whose sum is σ = 43672633344. Its totient is φ = 4272840000.

The previous prime is 16808434043. The next prime is 16808434051. The reversal of 16808434050 is 5043480861.

It is not an unprimeable number, because it can be changed into a prime (16808434051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284575 + ... + 338525.

It is an arithmetic number, because the mean of its divisors is an integer number (454923264).

Almost surely, 216808434050 is an apocalyptic number.

16808434050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16808434050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21836316672).

16808434050 is an abundant number, since it is smaller than the sum of its proper divisors (26864199294).

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

16808434050 is a wasteful number, since it uses less digits than its factorization.

16808434050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54064 (or 54059 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 16808434050 in words is "sixteen billion, eight hundred eight million, four hundred thirty-four thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 67 75 93 134 150 155 186 201 310 335 402 465 670 775 930 1005 1550 1675 2010 2077 2325 3350 4154 4650 5025 6231 10050 10385 12462 20770 31155 51925 53951 62310 103850 107902 155775 161853 269755 311550 323706 539510 809265 1348775 1618530 1672481 2697550 3344962 3614717 4046325 5017443 7229434 8092650 8362405 10034886 10844151 16724810 18073585 21688302 25087215 36147170 41812025 50174430 54220755 83624050 90367925 108441510 112056227 125436075 180735850 224112454 250872150 271103775 336168681 542207550 560281135 672337362 1120562270 1680843405 2801405675 3361686810 5602811350 8404217025 16808434050