Base | Representation |
---|---|
bin | 1111010011011111… |
… | …11000110101000000 |
3 | 210012122000010220220 |
4 | 13221233320311000 |
5 | 113311423042120 |
6 | 3435154303040 |
7 | 410421023331 |
oct | 75157706500 |
9 | 23178003826 |
10 | 8216612160 |
11 | 3537077369 |
12 | 1713887a80 |
13 | a0c3957b3 |
14 | 57d372288 |
15 | 331536b40 |
hex | 1e9bf8d40 |
8216612160 has 224 divisors, whose sum is σ = 26689458432. Its totient is φ = 2141061120.
The previous prime is 8216612147. The next prime is 8216612189. The reversal of 8216612160 is 612166128.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11301717 + ... + 11302443.
It is an arithmetic number, because the mean of its divisors is an integer number (119149368).
Almost surely, 28216612160 is an apocalyptic number.
8216612160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8216612160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13344729216).
8216612160 is an abundant number, since it is smaller than the sum of its proper divisors (18472846272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8216612160 is a wasteful number, since it uses less digits than its factorization.
8216612160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1001 (or 991 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 8216612160 is about 90645.5302814209. The cubic root of 8216612160 is about 2017.8905011335.
Adding to 8216612160 its reverse (612166128), we get a palindrome (8828778288).
The spelling of 8216612160 in words is "eight billion, two hundred sixteen million, six hundred twelve thousand, one hundred sixty".
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