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89803830899 = 412190337339
BaseRepresentation
bin101001110100010111…
…0011011011001110011
322120210120202021201002
41103220232123121303
52432404240042044
6105131051432215
76326264652656
oct1235056333163
9276716667632
1089803830899
11350a3a15372
12154a315566b
1386122a98a3
1444bcc3589d
15250902c74e
hex14e8b9b673

89803830899 has 4 divisors (see below), whose sum is σ = 91994168280. Its totient is φ = 87613493520.

The previous prime is 89803830881. The next prime is 89803830931. The reversal of 89803830899 is 99803830898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89803830899 - 28 = 89803830643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89803830299) 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, 1095168629 + ... + 1095168710.

It is an arithmetic number, because the mean of its divisors is an integer number (22998542070).

Almost surely, 289803830899 is an apocalyptic number.

89803830899 is a deficient number, since it is larger than the sum of its proper divisors (2190337381).

89803830899 is a wasteful number, since it uses less digits than its factorization.

89803830899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190337380.

The product of its (nonzero) digits is 26873856, while the sum is 65.

Subtracting 89803830899 from its reverse (99803830898), we obtain a palindrome (9999999999).

The spelling of 89803830899 in words is "eighty-nine billion, eight hundred three million, eight hundred thirty thousand, eight hundred ninety-nine".

Divisors: 1 41 2190337339 89803830899