Base | Representation |
---|---|
bin | 11010001011110010… |
… | …011010111010000010 |
3 | 2200120101102201212002 |
4 | 122023302122322002 |
5 | 430034423213320 |
6 | 20525455104002 |
7 | 2013501006035 |
oct | 321362327202 |
9 | 80511381762 |
10 | 28115054210 |
11 | 10a182403a1 |
12 | 5547812002 |
13 | 2860a02769 |
14 | 1509d7d01c |
15 | ae83e1675 |
hex | 68bc9ae82 |
28115054210 has 32 divisors (see below), whose sum is σ = 53183604672. Its totient is φ = 10687602240.
The previous prime is 28115054207. The next prime is 28115054239. The reversal of 28115054210 is 1245051182.
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 15 ways as a sum of consecutive naturals, for example, 867656 + ... + 899475.
It is an arithmetic number, because the mean of its divisors is an integer number (1661987646).
Almost surely, 228115054210 is an apocalyptic number.
28115054210 is a deficient number, since it is larger than the sum of its proper divisors (25068550462).
28115054210 is a wasteful number, since it uses less digits than its factorization.
28115054210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1767218.
The product of its (nonzero) digits is 3200, while the sum is 29.
The spelling of 28115054210 in words is "twenty-eight billion, one hundred fifteen million, fifty-four thousand, two hundred ten".
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