Base | Representation |
---|---|
bin | 111010001101010010100… |
… | …1010001000000000000000 |
3 | 1001022210101202101101212022 |
4 | 1310122211022020000000 |
5 | 2022033000000000000 |
6 | 25003052124021012 |
7 | 1453660313006231 |
oct | 164324512100000 |
9 | 31283352341768 |
10 | 8000000000000 |
11 | 2604865493238 |
12 | a92553991768 |
13 | 4605208c4168 |
14 | 1d92b867d088 |
15 | dd171e65585 |
hex | 746a5288000 |
8000000000000 has 208 divisors, whose sum is σ = 19999694807835. Its totient is φ = 3200000000000.
The previous prime is 7999999999993. The next prime is 8000000000009. The reversal of 8000000000000 is 8.
The cubic root of 8000000000000 is 20000.
It is a perfect power (a cube), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 34780758016 + 7965219241984 = 186496^2 + 2822272^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=2000000.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (8000000000009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 12 ways as a sum of consecutive naturals, for example, 1599999999998 + ... + 1600000000002.
Almost surely, 28000000000000 is an apocalyptic number.
8000000000000 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 8000000000000
8000000000000 is an abundant number, since it is smaller than the sum of its proper divisors (11999694807835).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8000000000000 is an frugal number, since it uses more digits than its factorization.
8000000000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90 (or 7 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The spelling of 8000000000000 in words is "eight trillion", and thus it is an aban number and an uban number.
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