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16083017909 = 717271111973
BaseRepresentation
bin11101111101001111…
…10110000010110101
31112111212000221221222
432332213312002311
5230414223033114
611215522520125
71106360253020
oct167647660265
945455027858
1016083017909
116903498442
12314a206045
13169403215a
14ac7dc21b7
15641e4398e
hex3be9f60b5

16083017909 has 24 divisors (see below), whose sum is σ = 19800586368. Its totient is φ = 12791681280.

The previous prime is 16083017903. The next prime is 16083017917. The reversal of 16083017909 is 90971038061.

It is not a de Polignac number, because 16083017909 - 28 = 16083017653 is a prime.

It is a super-2 number, since 2×160830179092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16083017909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16083017903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87647 + ... + 199619.

It is an arithmetic number, because the mean of its divisors is an integer number (825024432).

Almost surely, 216083017909 is an apocalyptic number.

It is an amenable number.

16083017909 is a deficient number, since it is larger than the sum of its proper divisors (3717568459).

16083017909 is a wasteful number, since it uses less digits than its factorization.

16083017909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112085 (or 112068 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 16083017909 in words is "sixteen billion, eighty-three million, seventeen thousand, nine hundred nine".

Divisors: 1 7 17 71 119 289 497 1207 2023 8449 20519 111973 143633 783811 1903541 7950083 13324787 32360197 55650581 135151411 226521379 946059877 2297573987 16083017909