Base | Representation |
---|---|
bin | 10010100110001001… |
… | …01111110000100000 |
3 | 221202210001212212120 |
4 | 21103010233300200 |
5 | 130421311001322 |
6 | 4330401024240 |
7 | 502255642155 |
oct | 112304576040 |
9 | 27683055776 |
10 | 9983687712 |
11 | 4263593389 |
12 | 1b27625080 |
13 | c314c872b |
14 | 6a9d1822c |
15 | 3d6739a5c |
hex | 25312fc20 |
9983687712 has 96 divisors (see below), whose sum is σ = 28228273920. Its totient is φ = 3079399680.
The previous prime is 9983687653. The next prime is 9983687713. The reversal of 9983687712 is 2177863899.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (9983687713) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14787 + ... + 142077.
It is an arithmetic number, because the mean of its divisors is an integer number (294044520).
Almost surely, 29983687712 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 9983687712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14114136960).
9983687712 is an abundant number, since it is smaller than the sum of its proper divisors (18244586208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9983687712 is a wasteful number, since it uses less digits than its factorization.
9983687712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127366 (or 127358 counting only the distinct ones).
The product of its digits is 9144576, while the sum is 60.
The square root of 9983687712 is about 99918.4052715014. The cubic root of 9983687712 is about 2153.2625938436.
The spelling of 9983687712 in words is "nine billion, nine hundred eighty-three million, six hundred eighty-seven thousand, seven hundred twelve".
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