Base | Representation |
---|---|
bin | 111111011001111… |
… | …1000101011101000 |
3 | 12111021022202111101 |
4 | 1332303320223220 |
5 | 13324121440403 |
6 | 551040211144 |
7 | 103502466331 |
oct | 17663705350 |
9 | 5437282441 |
10 | 2127530728 |
11 | 9a1a32364 |
12 | 4b4609ab4 |
13 | 27ba09c2b |
14 | 1627b5288 |
15 | c6ba471d |
hex | 7ecf8ae8 |
2127530728 has 16 divisors (see below), whose sum is σ = 4162560480. Its totient is φ = 1017514608.
The previous prime is 2127530723. The next prime is 2127530729. The reversal of 2127530728 is 8270357212.
It is not an unprimeable number, because it can be changed into a prime (2127530723) 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 3 ways as a sum of consecutive naturals, for example, 5781150 + ... + 5781517.
It is an arithmetic number, because the mean of its divisors is an integer number (260160030).
Almost surely, 22127530728 is an apocalyptic number.
It is an amenable number.
2127530728 is a deficient number, since it is larger than the sum of its proper divisors (2035029752).
2127530728 is a wasteful number, since it uses less digits than its factorization.
2127530728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11562696 (or 11562692 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 37.
The square root of 2127530728 is about 46125.1637178666. The cubic root of 2127530728 is about 1286.1509626084.
It can be divided in two parts, 21275 and 30728, that added together give a triangular number (52003 = T322).
The spelling of 2127530728 in words is "two billion, one hundred twenty-seven million, five hundred thirty thousand, seven hundred twenty-eight".
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