Base | Representation |
---|---|
bin | 101001111001010001… |
… | …1111000011111111000 |
3 | 22121020002020112210012 |
4 | 1103302203320133320 |
5 | 2433224010314043 |
6 | 105155304241052 |
7 | 6333340340063 |
oct | 1236243703770 |
9 | 277202215705 |
10 | 89968838648 |
11 | 35179078107 |
12 | 1552a470188 |
13 | 863a531800 |
14 | 44d6b098da |
15 | 2518773a18 |
hex | 14f28f87f8 |
89968838648 has 48 divisors (see below), whose sum is σ = 183980550600. Its totient is φ = 41225258880.
The previous prime is 89968838647. The next prime is 89968838699. The reversal of 89968838648 is 84683886998.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89968838647) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51443 + ... + 427298.
Almost surely, 289968838648 is an apocalyptic number.
It is an amenable number.
89968838648 is an abundant number, since it is smaller than the sum of its proper divisors (94011711952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89968838648 is a wasteful number, since it uses less digits than its factorization.
89968838648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478912 (or 478895 counting only the distinct ones).
The product of its digits is 1146617856, while the sum is 77.
The spelling of 89968838648 in words is "eighty-nine billion, nine hundred sixty-eight million, eight hundred thirty-eight thousand, six hundred forty-eight".
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