Base | Representation |
---|---|
bin | 1110111101011001… |
… | …10010011001010000 |
3 | 202201201012202211201 |
4 | 13132230302121100 |
5 | 112422000000000 |
6 | 3404533320544 |
7 | 403010333014 |
oct | 73654623120 |
9 | 22651182751 |
10 | 8031250000 |
11 | 3451481aa4 |
12 | 1681796154 |
13 | 9acb65047 |
14 | 5628c0544 |
15 | 32011e96a |
hex | 1deb32650 |
8031250000 has 100 divisors (see below), whose sum is σ = 19526365188. Its totient is φ = 3200000000.
The previous prime is 8031249983. The next prime is 8031250021. The reversal of 8031250000 is 521308.
It is a happy number.
It can be written as a sum of positive squares in 10 ways, for example, as 1693816336 + 6337433664 = 41156^2 + 79608^2 .
It is a tau number, because it is divible by the number of its divisors (100).
It is a self number, because there is not a number n which added to its sum of digits gives 8031250000.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31249872 + ... + 31250128.
Almost surely, 28031250000 is an apocalyptic number.
8031250000 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 8031250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9763182594).
8031250000 is an abundant number, since it is smaller than the sum of its proper divisors (11495115188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8031250000 is an frugal number, since it uses more digits than its factorization.
8031250000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310 (or 264 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 8031250000 is about 89617.2416446746. The cubic root of 8031250000 is about 2002.6007831641.
Adding to 8031250000 its reverse (521308), we get a palindrome (8031771308).
It can be divided in two parts, 80 and 31250000, that multiplied together give a square (2500000000 = 500002).
The spelling of 8031250000 in words is "eight billion, thirty-one million, two hundred fifty thousand".
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