Base | Representation |
---|---|
bin | 11010011001100011… |
… | …100001101011010101 |
3 | 2201011111001120011210 |
4 | 122121203201223111 |
5 | 431023040441210 |
6 | 21004425452033 |
7 | 2022304200141 |
oct | 323143415325 |
9 | 81144046153 |
10 | 28346030805 |
11 | 11026660544 |
12 | 55b1041019 |
13 | 28998143c1 |
14 | 152c906221 |
15 | b0d818e20 |
hex | 6998e1ad5 |
28346030805 has 32 divisors (see below), whose sum is σ = 46716703488. Its totient is φ = 14667609600.
The previous prime is 28346030749. The next prime is 28346030807. The reversal of 28346030805 is 50803064382.
It is not a de Polignac number, because 28346030805 - 28 = 28346030549 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28346030807) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16009 + ... + 238638.
It is an arithmetic number, because the mean of its divisors is an integer number (1459896984).
Almost surely, 228346030805 is an apocalyptic number.
It is an amenable number.
28346030805 is a deficient number, since it is larger than the sum of its proper divisors (18370672683).
28346030805 is a wasteful number, since it uses less digits than its factorization.
28346030805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254877.
The product of its (nonzero) digits is 138240, while the sum is 39.
The spelling of 28346030805 in words is "twenty-eight billion, three hundred forty-six million, thirty thousand, eight hundred five".
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