Base | Representation |
---|---|
bin | 1111000110011011… |
… | …11001100000000000 |
3 | 202220222211020102100 |
4 | 13203031321200000 |
5 | 113100400214340 |
6 | 3420241550400 |
7 | 404620456254 |
oct | 74315714000 |
9 | 22828736370 |
10 | 8107038720 |
11 | 3490237200 |
12 | 16a3045400 |
13 | 9c277c641 |
14 | 56c9ac264 |
15 | 326ae0830 |
hex | 1e3379800 |
8107038720 has 432 divisors, whose sum is σ = 30926553840. Its totient is φ = 1962639360.
The previous prime is 8107038713. The next prime is 8107038721. The reversal of 8107038720 is 278307018.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8107038721) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11150997 + ... + 11151723.
It is an arithmetic number, because the mean of its divisors is an integer number (71589245).
Almost surely, 28107038720 is an apocalyptic number.
8107038720 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 8107038720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15463276920).
8107038720 is an abundant number, since it is smaller than the sum of its proper divisors (22819515120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8107038720 is a wasteful number, since it uses less digits than its factorization.
8107038720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782 (or 748 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 36.
The square root of 8107038720 is about 90039.0955085623. The cubic root of 8107038720 is about 2008.8804041839.
The spelling of 8107038720 in words is "eight billion, one hundred seven million, thirty-eight thousand, seven hundred twenty".
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