Base | Representation |
---|---|
bin | 11010110010010000… |
… | …001011101011001000 |
3 | 2202020100202012121101 |
4 | 122302100023223020 |
5 | 432400124442334 |
6 | 21113510551144 |
7 | 2035465166350 |
oct | 326220135310 |
9 | 82210665541 |
10 | 28760390344 |
11 | 11219543a44 |
12 | 56a79684b4 |
13 | 293461296a |
14 | 156b967b60 |
15 | b34db7214 |
hex | 6b240bac8 |
28760390344 has 32 divisors (see below), whose sum is σ = 61653271680. Its totient is φ = 12321108864.
The previous prime is 28760390333. The next prime is 28760390369. The reversal of 28760390344 is 44309306782.
It is a junction number, because it is equal to n+sod(n) for n = 28760390294 and 28760390303.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48429 + ... + 244675.
It is an arithmetic number, because the mean of its divisors is an integer number (1926664740).
Almost surely, 228760390344 is an apocalyptic number.
It is an amenable number.
28760390344 is an abundant number, since it is smaller than the sum of its proper divisors (32892881336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28760390344 is a wasteful number, since it uses less digits than its factorization.
28760390344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198877 (or 198873 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 46.
The spelling of 28760390344 in words is "twenty-eight billion, seven hundred sixty million, three hundred ninety thousand, three hundred forty-four".
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