Base | Representation |
---|---|
bin | 10110100111001010… |
… | …11100011110101010 |
3 | 1011100001001211220112 |
4 | 23103211130132222 |
5 | 144330233240041 |
6 | 5324340454322 |
7 | 606556054106 |
oct | 132345343652 |
9 | 34301054815 |
10 | 12139743146 |
11 | 516a628783 |
12 | 24296aa3a2 |
13 | 11b60b1c8b |
14 | 8323d6906 |
15 | 4b0b75deb |
hex | 2d395c7aa |
12139743146 has 16 divisors (see below), whose sum is σ = 19326807360. Its totient is φ = 5699179200.
The previous prime is 12139743107. The next prime is 12139743151. The reversal of 12139743146 is 64134793121.
It is a Curzon number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 411830 + ... + 440321.
It is an arithmetic number, because the mean of its divisors is an integer number (1207925460).
Almost surely, 212139743146 is an apocalyptic number.
12139743146 is a deficient number, since it is larger than the sum of its proper divisors (7187064214).
12139743146 is a wasteful number, since it uses less digits than its factorization.
12139743146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 852589.
The product of its digits is 108864, while the sum is 41.
The spelling of 12139743146 in words is "twelve billion, one hundred thirty-nine million, seven hundred forty-three thousand, one hundred forty-six".
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