Base | Representation |
---|---|
bin | 10110100111010010… |
… | …00111110000110001 |
3 | 1011100002212210212211 |
4 | 23103221013300301 |
5 | 144331010104430 |
6 | 5324413252121 |
7 | 606600206560 |
oct | 132351076061 |
9 | 34302783784 |
10 | 12140706865 |
11 | 5170126841 |
12 | 2429a94041 |
13 | 11b635b821 |
14 | 8325a7bd7 |
15 | 4b0cb672a |
hex | 2d3a47c31 |
12140706865 has 16 divisors (see below), whose sum is σ = 16651959552. Its totient is φ = 8324132544.
The previous prime is 12140706839. The next prime is 12140706889. The reversal of 12140706865 is 56860704121.
12140706865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12140706865 - 25 = 12140706833 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492207 + ... + 516283.
It is an arithmetic number, because the mean of its divisors is an integer number (1040747472).
Almost surely, 212140706865 is an apocalyptic number.
It is an amenable number.
12140706865 is a deficient number, since it is larger than the sum of its proper divisors (4511252687).
12140706865 is a wasteful number, since it uses less digits than its factorization.
12140706865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38496.
The product of its (nonzero) digits is 80640, while the sum is 40.
The spelling of 12140706865 in words is "twelve billion, one hundred forty million, seven hundred six thousand, eight hundred sixty-five".
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