Base | Representation |
---|---|
bin | 1111101011110100… |
… | …10110111000111000 |
3 | 210201212000000221000 |
4 | 13311322112320320 |
5 | 114221143331240 |
6 | 3511324245000 |
7 | 415446425100 |
oct | 76572267070 |
9 | 23655000830 |
10 | 8420683320 |
11 | 3631290015 |
12 | 17700a0760 |
13 | a42746b6a |
14 | 59c4d4200 |
15 | 3443e7430 |
hex | 1f5e96e38 |
8420683320 has 384 divisors, whose sum is σ = 33456628800. Its totient is φ = 1877299200.
The previous prime is 8420683319. The next prime is 8420683417. The reversal of 8420683320 is 233860248.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2167780 + ... + 2171660.
Almost surely, 28420683320 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 8420683320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16728314400).
8420683320 is an abundant number, since it is smaller than the sum of its proper divisors (25035945480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8420683320 is a wasteful number, since it uses less digits than its factorization.
8420683320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3956 (or 3939 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 8420683320 is about 91764.2812863480. The cubic root of 8420683320 is about 2034.4597945926.
The spelling of 8420683320 in words is "eight billion, four hundred twenty million, six hundred eighty-three thousand, three hundred twenty".
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