Base | Representation |
---|---|
bin | 101001110110110010… |
… | …0001011111001001000 |
3 | 22121000020112201200120 |
4 | 1103231210023321020 |
5 | 2433041032011013 |
6 | 105143112103240 |
7 | 6331302110622 |
oct | 1235544137110 |
9 | 277006481616 |
10 | 89885032008 |
11 | 35135836a22 |
12 | 15506394b20 |
13 | 862606a895 |
14 | 44c9931c12 |
15 | 251121c123 |
hex | 14ed90be48 |
89885032008 has 96 divisors (see below), whose sum is σ = 239764298400. Its totient is φ = 28074508288.
The previous prime is 89885032001. The next prime is 89885032009. The reversal of 89885032008 is 80023058898.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (89885032001) 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, 1545928 + ... + 1603016.
It is an arithmetic number, because the mean of its divisors is an integer number (2497544775).
Almost surely, 289885032008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89885032008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119882149200).
89885032008 is an abundant number, since it is smaller than the sum of its proper divisors (149879266392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89885032008 is a wasteful number, since it uses less digits than its factorization.
89885032008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57359 (or 57338 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 51.
The spelling of 89885032008 in words is "eighty-nine billion, eight hundred eighty-five million, thirty-two thousand, eight".
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