Base | Representation |
---|---|
bin | 10000001010111100… |
… | …11010111001000000 |
3 | 211102001022220000000 |
4 | 20011132122321000 |
5 | 120240014421021 |
6 | 3553253000000 |
7 | 425100020040 |
oct | 100536327100 |
9 | 24361286000 |
10 | 8681795136 |
11 | 3755713203 |
12 | 1823623000 |
13 | a8487a1b1 |
14 | 5c5063720 |
15 | 35c2c3b26 |
hex | 20579ae40 |
8681795136 has 224 divisors, whose sum is σ = 29532437760. Its totient is φ = 2480232960.
The previous prime is 8681795081. The next prime is 8681795149. The reversal of 8681795136 is 6315971868.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975346 + ... + 984206.
It is an arithmetic number, because the mean of its divisors is an integer number (131841240).
Almost surely, 28681795136 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 8681795136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14766218880).
8681795136 is an abundant number, since it is smaller than the sum of its proper divisors (20850642624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8681795136 is an frugal number, since it uses more digits than its factorization.
8681795136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8901 (or 8873 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 54.
The square root of 8681795136 is about 93176.1511117518. The cubic root of 8681795136 is about 2055.2745501369.
The spelling of 8681795136 in words is "eight billion, six hundred eighty-one million, seven hundred ninety-five thousand, one hundred thirty-six".
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