Base | Representation |
---|---|
bin | 110110001101010010… |
… | …111100010101111101 |
3 | 12120020102012212022202 |
4 | 312031102330111331 |
5 | 1423201003044221 |
6 | 42423345521245 |
7 | 4130243265623 |
oct | 661522742575 |
9 | 176212185282 |
10 | 58205128061 |
11 | 22759306223 |
12 | b344943225 |
13 | 56479442a2 |
14 | 2b62353513 |
15 | 17a9dadd0b |
hex | d8d4bc57d |
58205128061 has 4 divisors (see below), whose sum is σ = 58249868124. Its totient is φ = 58160388000.
The previous prime is 58205128021. The next prime is 58205128063. The reversal of 58205128061 is 16082150285.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 24864559225 + 33340568836 = 157685^2 + 182594^2 .
It is a cyclic number.
It is not a de Polignac number, because 58205128061 - 214 = 58205111677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58205128063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22368080 + ... + 22370681.
It is an arithmetic number, because the mean of its divisors is an integer number (14562467031).
Almost surely, 258205128061 is an apocalyptic number.
It is an amenable number.
58205128061 is a deficient number, since it is larger than the sum of its proper divisors (44740063).
58205128061 is a wasteful number, since it uses less digits than its factorization.
58205128061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44740062.
The product of its (nonzero) digits is 38400, while the sum is 38.
The spelling of 58205128061 in words is "fifty-eight billion, two hundred five million, one hundred twenty-eight thousand, sixty-one".
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