Base | Representation |
---|---|
bin | 11010101000111001… |
… | …001010011000111100 |
3 | 2201211102021021121101 |
4 | 122220321022120330 |
5 | 432034430021303 |
6 | 21050141142444 |
7 | 2031550361350 |
oct | 325071123074 |
9 | 81742237541 |
10 | 28603360828 |
11 | 11148940389 |
12 | 566325aa24 |
13 | 290ac222a3 |
14 | 1554b6d460 |
15 | b261e9d1d |
hex | 6a8e4a63c |
28603360828 has 12 divisors (see below), whose sum is σ = 57206721712. Its totient is φ = 12258583200.
The previous prime is 28603360789. The next prime is 28603360843. The reversal of 28603360828 is 82806330682.
28603360828 is an admirable number.
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 3 ways as a sum of consecutive naturals, for example, 510774273 + ... + 510774328.
Almost surely, 228603360828 is an apocalyptic number.
28603360828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28603360828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28603360828 is a wasteful number, since it uses less digits than its factorization.
28603360828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021548612 (or 1021548610 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 46.
The spelling of 28603360828 in words is "twenty-eight billion, six hundred three million, three hundred sixty thousand, eight hundred twenty-eight".
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