Base | Representation |
---|---|
bin | 11010110000001101… |
… | …010010101001100110 |
3 | 2202010222011221222211 |
4 | 122300031102221212 |
5 | 432312333444204 |
6 | 21110243314034 |
7 | 2034600430462 |
oct | 326015225146 |
9 | 82128157884 |
10 | 28726078054 |
11 | 11201138683 |
12 | 569837b91a |
13 | 292a48ac2b |
14 | 15671954a2 |
15 | b31d8a804 |
hex | 6b0352a66 |
28726078054 has 8 divisors (see below), whose sum is σ = 43167892248. Its totient is φ = 14336780640.
The previous prime is 28726078037. The next prime is 28726078063. The reversal of 28726078054 is 45087062782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28726077989 and 28726078007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13127827 + ... + 13130014.
It is an arithmetic number, because the mean of its divisors is an integer number (5395986531).
Almost surely, 228726078054 is an apocalyptic number.
28726078054 is a deficient number, since it is larger than the sum of its proper divisors (14441814194).
28726078054 is a wasteful number, since it uses less digits than its factorization.
28726078054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26258390.
The product of its (nonzero) digits is 1505280, while the sum is 49.
The spelling of 28726078054 in words is "twenty-eight billion, seven hundred twenty-six million, seventy-eight thousand, fifty-four".
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