Base | Representation |
---|---|
bin | 11010101110111010… |
… | …011001011110010000 |
3 | 2202002110021222000210 |
4 | 122232322121132100 |
5 | 432241303114143 |
6 | 21104145444120 |
7 | 2034214634625 |
oct | 325672313620 |
9 | 82073258023 |
10 | 28704348048 |
11 | 1119a9465a2 |
12 | 5691040640 |
13 | 2925b2023c |
14 | 156433a34c |
15 | b2eee7033 |
hex | 6aee99790 |
28704348048 has 40 divisors (see below), whose sum is σ = 74160981568. Its totient is φ = 9567073152.
The previous prime is 28704347989. The next prime is 28704348083. The reversal of 28704348048 is 84084340782.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 28704347988 and 28704348006.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503190 + ... + 557322.
Almost surely, 228704348048 is an apocalyptic number.
It is an amenable number.
28704348048 is an abundant number, since it is smaller than the sum of its proper divisors (45456633520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28704348048 is a wasteful number, since it uses less digits than its factorization.
28704348048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65191 (or 65185 counting only the distinct ones).
The product of its (nonzero) digits is 1376256, while the sum is 48.
The spelling of 28704348048 in words is "twenty-eight billion, seven hundred four million, three hundred forty-eight thousand, forty-eight".
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