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16835475137 = 131295036549
BaseRepresentation
bin11111010110111100…
…01111011011000001
31121110021220202020012
433223132033123001
5233434340201022
611422322354305
71134125114615
oct175336173301
947407822205
1016835475137
11715a206718
12331a1bb995
131783baa210
14b59cd3345
15688028de2
hex3eb78f6c1

16835475137 has 4 divisors (see below), whose sum is σ = 18130511700. Its totient is φ = 15540438576.

The previous prime is 16835475121. The next prime is 16835475143. The reversal of 16835475137 is 73157453861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73157453861 = 244333299417.

It can be written as a sum of positive squares in 2 ways, for example, as 1410828721 + 15424646416 = 37561^2 + 124196^2 .

It is not a de Polignac number, because 16835475137 - 24 = 16835475121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16835475187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647518262 + ... + 647518287.

It is an arithmetic number, because the mean of its divisors is an integer number (4532627925).

Almost surely, 216835475137 is an apocalyptic number.

It is an amenable number.

16835475137 is a deficient number, since it is larger than the sum of its proper divisors (1295036563).

16835475137 is a wasteful number, since it uses less digits than its factorization.

16835475137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295036562.

The product of its digits is 2116800, while the sum is 50.

The spelling of 16835475137 in words is "sixteen billion, eight hundred thirty-five million, four hundred seventy-five thousand, one hundred thirty-seven".

Divisors: 1 13 1295036549 16835475137