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89853729841 = 625714360513
BaseRepresentation
bin101001110101110110…
…0110001110000110001
322120221001122102012001
41103223230301300301
52433010023323331
6105140033134001
76330442046641
oct1235354616061
9276831572161
1089853729841
113511a0a7167
12154b79ba301
13861c72aca5
1444c5704521
15250d5d7561
hex14ebb31c31

89853729841 has 4 divisors (see below), whose sum is σ = 89868096612. Its totient is φ = 89839363072.

The previous prime is 89853729809. The next prime is 89853729851. The reversal of 89853729841 is 14892735898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14892735898 = 27446367949.

It can be written as a sum of positive squares in 2 ways, for example, as 86041902241 + 3811827600 = 293329^2 + 61740^2 .

It is a cyclic number.

It is not a de Polignac number, because 89853729841 - 25 = 89853729809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89853729851) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7174000 + ... + 7186513.

It is an arithmetic number, because the mean of its divisors is an integer number (22467024153).

Almost surely, 289853729841 is an apocalyptic number.

It is an amenable number.

89853729841 is a deficient number, since it is larger than the sum of its proper divisors (14366771).

89853729841 is a wasteful number, since it uses less digits than its factorization.

89853729841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14366770.

The product of its digits is 34836480, while the sum is 64.

The spelling of 89853729841 in words is "eighty-nine billion, eight hundred fifty-three million, seven hundred twenty-nine thousand, eight hundred forty-one".

Divisors: 1 6257 14360513 89853729841