Base | Representation |
---|---|
bin | 1110111001101011… |
… | …00101001100100000 |
3 | 202122112102010222221 |
4 | 13130311211030200 |
5 | 112341000011200 |
6 | 3401455440424 |
7 | 402150612331 |
oct | 73465451440 |
9 | 22575363887 |
10 | 8000000800 |
11 | 3435879010 |
12 | 1673226114 |
13 | 9a65435ac |
14 | 55c6a8288 |
15 | 31c4ea91a |
hex | 1dcd65320 |
8000000800 has 72 divisors (see below), whose sum is σ = 21305480112. Its totient is φ = 2909088000.
The previous prime is 8000000797. The next prime is 8000000809. The reversal of 8000000800 is 80000008.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is not an unprimeable number, because it can be changed into a prime (8000000809) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445746 + ... + 463345.
It is an arithmetic number, because the mean of its divisors is an integer number (295909446).
Almost surely, 28000000800 is an apocalyptic number.
8000000800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8000000800 is an abundant number, since it is smaller than the sum of its proper divisors (13305479312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8000000800 is a wasteful number, since it uses less digits than its factorization.
8000000800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909122 (or 909109 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 8000000800 is about 89442.7235721274. The cubic root of 8000000800 is about 2000.0000666667. Note that the first 4 decimals are identical.
Adding to 8000000800 its reverse (80000008), we get a palindrome (8080000808).
8000000800 divided by its reverse (80000008) gives a square (100 = 102).
It can be divided in two parts, 8000000 and 800, that multiplied together give a square (6400000000 = 800002).
The spelling of 8000000800 in words is "eight billion, eight hundred", and thus it is an aban number.
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