Base | Representation |
---|---|
bin | 1111110001000011… |
… | …10000100000000000 |
3 | 210211220120112000112 |
4 | 13320201300200000 |
5 | 114313412110042 |
6 | 3515533010452 |
7 | 416521424531 |
oct | 77041604000 |
9 | 23756515015 |
10 | 8464566272 |
11 | 3654032a18 |
12 | 1782923a28 |
13 | a4b86cbc6 |
14 | 5a4278688 |
15 | 3481b4982 |
hex | 1f8870800 |
8464566272 has 108 divisors (see below), whose sum is σ = 18031173615. Its totient is φ = 3972059136.
The previous prime is 8464566259. The next prime is 8464566289. The reversal of 8464566272 is 2726654648.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 4232283136 + 4232283136 = 65056^2 + 65056^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=65056.
It is a Duffinian number.
Its product of digits (3870720) is a multiple of the sum of its prime divisors (128).
It is a self number, because there is not a number n which added to its sum of digits gives 8464566272.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 79108043 + ... + 79108149.
Almost surely, 28464566272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8464566272
8464566272 is an abundant number, since it is smaller than the sum of its proper divisors (9566607343).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8464566272 is an equidigital number, since it uses as much as digits as its factorization.
8464566272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274 (or 128 counting only the distinct ones).
The product of its digits is 3870720, while the sum is 50.
The square root of 8464566272 is about 92003.0775137441. The cubic root of 8464566272 is about 2037.9877530617.
Multiplying 8464566272 by its sum of digits (50), we get a square (423228313600 = 6505602).
The spelling of 8464566272 in words is "eight billion, four hundred sixty-four million, five hundred sixty-six thousand, two hundred seventy-two".
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