Base | Representation |
---|---|
bin | 10110101000000100… |
… | …00100100000011010 |
3 | 1011100120012002102212 |
4 | 23110002010200122 |
5 | 144334143402010 |
6 | 5325205355122 |
7 | 610006616444 |
oct | 132402044032 |
9 | 34316162385 |
10 | 12147247130 |
11 | 5173893617 |
12 | 2430108aa2 |
13 | 11b780b6c5 |
14 | 8333cb494 |
15 | 4b1659505 |
hex | 2d408481a |
12147247130 has 16 divisors (see below), whose sum is σ = 21869196264. Its totient is φ = 4857976320.
The previous prime is 12147247129. The next prime is 12147247159. The reversal of 12147247130 is 3174274121.
It can be written as a sum of positive squares in 4 ways, for example, as 11271856561 + 875390569 = 106169^2 + 29587^2 .
It is a super-2 number, since 2×121472471302 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58691 + ... + 166550.
Almost surely, 212147247130 is an apocalyptic number.
12147247130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12147247130 is a deficient number, since it is larger than the sum of its proper divisors (9721949134).
12147247130 is a wasteful number, since it uses less digits than its factorization.
12147247130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230641.
The product of its (nonzero) digits is 9408, while the sum is 32.
The spelling of 12147247130 in words is "twelve billion, one hundred forty-seven million, two hundred forty-seven thousand, one hundred thirty".
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