Base | Representation |
---|---|
bin | 1111010111111110… |
… | …00001100101111000 |
3 | 210022020121111002200 |
4 | 13223333001211320 |
5 | 113401024302043 |
6 | 3443014430200 |
7 | 411354662334 |
oct | 75377014570 |
9 | 23266544080 |
10 | 8254134648 |
11 | 3556275591 |
12 | 1724362360 |
13 | a170a2756 |
14 | 58433c7c4 |
15 | 3349997d3 |
hex | 1ebfc1978 |
8254134648 has 96 divisors (see below), whose sum is σ = 23125440000. Its totient is φ = 2656929600.
The previous prime is 8254134619. The next prime is 8254134649. The reversal of 8254134648 is 8464314528.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8254134649) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110063 + ... + 1117473.
It is an arithmetic number, because the mean of its divisors is an integer number (240890000).
Almost surely, 28254134648 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 8254134648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11562720000).
8254134648 is an abundant number, since it is smaller than the sum of its proper divisors (14871305352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8254134648 is a wasteful number, since it uses less digits than its factorization.
8254134648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7953 (or 7946 counting only the distinct ones).
The product of its digits is 737280, while the sum is 45.
The square root of 8254134648 is about 90852.2682600715. The cubic root of 8254134648 is about 2020.9575116117.
The spelling of 8254134648 in words is "eight billion, two hundred fifty-four million, one hundred thirty-four thousand, six hundred forty-eight".
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