Base | Representation |
---|---|
bin | 11010011110101010… |
… | …101110001101011110 |
3 | 2201101110110020211021 |
4 | 122132222232031132 |
5 | 431212020200410 |
6 | 21021132114354 |
7 | 2024365224415 |
oct | 323652561536 |
9 | 81343406737 |
10 | 28431803230 |
11 | 11070014646 |
12 | 56159059ba |
13 | 28b151600c |
14 | 153a07247c |
15 | b1610ceda |
hex | 69eaae35e |
28431803230 has 16 divisors (see below), whose sum is σ = 52044657840. Its totient is φ = 11179963072.
The previous prime is 28431803219. The next prime is 28431803251. The reversal of 28431803230 is 3230813482.
It is a congruent number.
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, 24094159 + ... + 24095338.
It is an arithmetic number, because the mean of its divisors is an integer number (3252791115).
Almost surely, 228431803230 is an apocalyptic number.
28431803230 is a deficient number, since it is larger than the sum of its proper divisors (23612854610).
28431803230 is a wasteful number, since it uses less digits than its factorization.
28431803230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48189563.
The product of its (nonzero) digits is 27648, while the sum is 34.
The spelling of 28431803230 in words is "twenty-eight billion, four hundred thirty-one million, eight hundred three thousand, two hundred thirty".
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