Base | Representation |
---|---|
bin | 11010000110101110… |
… | …010110011000111011 |
3 | 2200100110120200000210 |
4 | 122012232112120323 |
5 | 424401201213201 |
6 | 20513222202203 |
7 | 2011416633141 |
oct | 320656263073 |
9 | 80313520023 |
10 | 28030101051 |
11 | 10984296877 |
12 | 5523283363 |
13 | 2849229a14 |
14 | 14dc987591 |
15 | ae0c101d6 |
hex | 686b9663b |
28030101051 has 16 divisors (see below), whose sum is σ = 37937336096. Its totient is φ = 18405501696.
The previous prime is 28030101013. The next prime is 28030101083. The reversal of 28030101051 is 15010103082.
It is not a de Polignac number, because 28030101051 - 223 = 28021712443 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28030100051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73221 + ... + 247833.
It is an arithmetic number, because the mean of its divisors is an integer number (2371083506).
Almost surely, 228030101051 is an apocalyptic number.
28030101051 is a deficient number, since it is larger than the sum of its proper divisors (9907235045).
28030101051 is a wasteful number, since it uses less digits than its factorization.
28030101051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175422.
The product of its (nonzero) digits is 240, while the sum is 21.
The spelling of 28030101051 in words is "twenty-eight billion, thirty million, one hundred one thousand, fifty-one".
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