Base | Representation |
---|---|
bin | 1111111000111100… |
… | …01001010010100110 |
3 | 211000112001212222200 |
4 | 13330132021102212 |
5 | 114432331244402 |
6 | 3530255035330 |
7 | 421253664261 |
oct | 77436112246 |
9 | 24015055880 |
10 | 8530728102 |
11 | 3688412316 |
12 | 17a0b0bb46 |
13 | a5c496710 |
14 | 5acd7bcd8 |
15 | 34ddd321c |
hex | 1fc7894a6 |
8530728102 has 96 divisors (see below), whose sum is σ = 20980814400. Its totient is φ = 2486405376.
The previous prime is 8530728079. The next prime is 8530728133. The reversal of 8530728102 is 2018270358.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347799 + ... + 371517.
It is an arithmetic number, because the mean of its divisors is an integer number (218550150).
Almost surely, 28530728102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8530728102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10490407200).
8530728102 is an abundant number, since it is smaller than the sum of its proper divisors (12450086298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8530728102 is a wasteful number, since it uses less digits than its factorization.
8530728102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23822 (or 23819 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 8530728102 is about 92361.9407656639. The cubic root of 8530728102 is about 2043.2838388258.
The spelling of 8530728102 in words is "eight billion, five hundred thirty million, seven hundred twenty-eight thousand, one hundred two".
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