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89663508321 = 329887836107
BaseRepresentation
bin101001110000001011…
…1001000111101100001
322120102210201011022120
41103200113020331201
52432112324231241
6105105120054453
76322642150152
oct1234027107541
9276383634276
1089663508321
11350317929a2
1215464164429
1385bc1b878a
1444a8349929
1524eba60666
hex14e05c8f61

89663508321 has 4 divisors (see below), whose sum is σ = 119551344432. Its totient is φ = 59775672212.

The previous prime is 89663508313. The next prime is 89663508349. The reversal of 89663508321 is 12380536698.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89663508321 - 23 = 89663508313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89663508371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14943918051 + ... + 14943918056.

It is an arithmetic number, because the mean of its divisors is an integer number (29887836108).

Almost surely, 289663508321 is an apocalyptic number.

It is an amenable number.

89663508321 is a deficient number, since it is larger than the sum of its proper divisors (29887836111).

89663508321 is a wasteful number, since it uses less digits than its factorization.

89663508321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29887836110.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 89663508321 in words is "eighty-nine billion, six hundred sixty-three million, five hundred eight thousand, three hundred twenty-one".

Divisors: 1 3 29887836107 89663508321