Base | Representation |
---|---|
bin | 11100110010011000110… |
… | …10010000101100010000 |
3 | 10111120002210010020221200 |
4 | 32121030122100230100 |
5 | 112201211323234413 |
6 | 2034221505151200 |
7 | 131314265636436 |
oct | 16311432205420 |
9 | 3446083106850 |
10 | 989124430608 |
11 | 351537a55716 |
12 | 13b84792b500 |
13 | 72374089992 |
14 | 35c33cc6d56 |
15 | 1aae1aa5573 |
hex | e64c690b10 |
989124430608 has 120 divisors (see below), whose sum is σ = 2785066327680. Its totient is φ = 327702101760.
The previous prime is 989124430579. The next prime is 989124430631. The reversal of 989124430608 is 806034421989.
989124430608 is a `hidden beast` number, since 9 + 8 + 9 + 1 + 24 + 4 + 3 + 0 + 608 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16320810 + ... + 16381302.
It is an arithmetic number, because the mean of its divisors is an integer number (23208886064).
Almost surely, 2989124430608 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 989124430608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392533163840).
989124430608 is an abundant number, since it is smaller than the sum of its proper divisors (1795941897072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989124430608 is a wasteful number, since it uses less digits than its factorization.
989124430608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61197 (or 61188 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 54.
The spelling of 989124430608 in words is "nine hundred eighty-nine billion, one hundred twenty-four million, four hundred thirty thousand, six hundred eight".
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