Base | Representation |
---|---|
bin | 1111100101111010… |
… | …11000101010100100 |
3 | 210121101210020122111 |
4 | 13302331120222210 |
5 | 114121003123010 |
6 | 3502354410404 |
7 | 414305363443 |
oct | 76275305244 |
9 | 23541706574 |
10 | 8371145380 |
11 | 3606325474 |
12 | 1757590a04 |
13 | a353c0b80 |
14 | 595abad5a |
15 | 33edae58a |
hex | 1f2f58aa4 |
8371145380 has 96 divisors (see below), whose sum is σ = 19344729600. Its totient is φ = 3023958528.
The previous prime is 8371145369. The next prime is 8371145383. The reversal of 8371145380 is 835411738.
It is not an unprimeable number, because it can be changed into a prime (8371145383) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511669 + ... + 3514051.
It is an arithmetic number, because the mean of its divisors is an integer number (201507600).
Almost surely, 28371145380 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 8371145380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9672364800).
8371145380 is an abundant number, since it is smaller than the sum of its proper divisors (10973584220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8371145380 is a wasteful number, since it uses less digits than its factorization.
8371145380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2693 (or 2691 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 8371145380 is about 91493.9636260229. The cubic root of 8371145380 is about 2030.4624457051.
The spelling of 8371145380 in words is "eight billion, three hundred seventy-one million, one hundred forty-five thousand, three hundred eighty".
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