Base | Representation |
---|---|
bin | 1110111101000000… |
… | …11111111110011100 |
3 | 202201111011010020001 |
4 | 13132200133332130 |
5 | 112420133410303 |
6 | 3404340304044 |
7 | 402641055601 |
oct | 73640377634 |
9 | 22644133201 |
10 | 8028028828 |
11 | 344a681976 |
12 | 16806a2024 |
13 | 9ac2a7b21 |
14 | 5622c26a8 |
15 | 31ebd531d |
hex | 1de81ff9c |
8028028828 has 24 divisors (see below), whose sum is σ = 14390655552. Its totient is φ = 3916921344.
The previous prime is 8028028823. The next prime is 8028028831. The reversal of 8028028828 is 8288208208.
8028028828 is a nontrivial binomial coefficient, being equal to C(126713, 2).
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8028028823) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 126712.
It is an arithmetic number, because the mean of its divisors is an integer number (599610648).
Almost surely, 28028028828 is an apocalyptic number.
8028028828 is the 126712-nd triangular number.
8028028828 is the 42238-th centered nonagonal number.
It is an amenable number.
8028028828 is a deficient number, since it is larger than the sum of its proper divisors (6362626724).
8028028828 is a wasteful number, since it uses less digits than its factorization.
8028028828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127101 (or 127099 counting only the distinct ones).
The product of its (nonzero) digits is 262144, while the sum is 46.
The square root of 8028028828 is about 89599.2680104029. The cubic root of 8028028828 is about 2002.3330131333. Note that the first 3 decimals are identical.
The spelling of 8028028828 in words is "eight billion, twenty-eight million, twenty-eight thousand, eight hundred twenty-eight".
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