Base | Representation |
---|---|
bin | 11010001011011000… |
… | …110110001110001011 |
3 | 2200112220211010212212 |
4 | 122023120312032023 |
5 | 430031214202342 |
6 | 20525055255335 |
7 | 2013360015200 |
oct | 321330661613 |
9 | 80486733785 |
10 | 28108350347 |
11 | 10a14481710 |
12 | 554551a54b |
13 | 285c4c628c |
14 | 1509115ca7 |
15 | ae7a1a182 |
hex | 68b63638b |
28108350347 has 48 divisors (see below), whose sum is σ = 37270886400. Its totient is φ = 20922168960.
The previous prime is 28108350323. The next prime is 28108350367. The reversal of 28108350347 is 74305380182.
It is not a de Polignac number, because 28108350347 - 28 = 28108350091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28108350317) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15978854 + ... + 15980612.
It is an arithmetic number, because the mean of its divisors is an integer number (776476800).
Almost surely, 228108350347 is an apocalyptic number.
28108350347 is a deficient number, since it is larger than the sum of its proper divisors (9162536053).
28108350347 is a wasteful number, since it uses less digits than its factorization.
28108350347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3096 (or 3089 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 41.
The spelling of 28108350347 in words is "twenty-eight billion, one hundred eight million, three hundred fifty thousand, three hundred forty-seven".
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