Base | Representation |
---|---|
bin | 11010000000110010… |
… | …011111110101111110 |
3 | 2200002112012200102220 |
4 | 122000302133311332 |
5 | 424200203300204 |
6 | 20455304030210 |
7 | 2006100355125 |
oct | 320062376576 |
9 | 80075180386 |
10 | 27930525054 |
11 | 10933064963 |
12 | 54b5a62366 |
13 | 2831704203 |
14 | 14cd666abc |
15 | ad70e11d9 |
hex | 680c9fd7e |
27930525054 has 32 divisors (see below), whose sum is σ = 59158688256. Its totient is φ = 8760785280.
The previous prime is 27930525053. The next prime is 27930525059. The reversal of 27930525054 is 45052503972.
It is a super-2 number, since 2×279305250542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 27930524997 and 27930525015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27930525053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551749 + ... + 600239.
It is an arithmetic number, because the mean of its divisors is an integer number (1848709008).
Almost surely, 227930525054 is an apocalyptic number.
27930525054 is an abundant number, since it is smaller than the sum of its proper divisors (31228163202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27930525054 is a wasteful number, since it uses less digits than its factorization.
27930525054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54160.
The product of its (nonzero) digits is 378000, while the sum is 42.
The spelling of 27930525054 in words is "twenty-seven billion, nine hundred thirty million, five hundred twenty-five thousand, fifty-four".
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