Base | Representation |
---|---|
bin | 111111101010100… |
… | …110001010000001 |
3 | 2202102212200012101 |
4 | 333222212022001 |
5 | 4141420142240 |
6 | 253553430401 |
7 | 35316651250 |
oct | 7752461201 |
9 | 2672780171 |
10 | 1068130945 |
11 | 4a8a28652 |
12 | 25986b401 |
13 | 1403a305b |
14 | a1c04797 |
15 | 63b8d39a |
hex | 3faa6281 |
1068130945 has 16 divisors (see below), whose sum is σ = 1466108928. Its totient is φ = 731810880.
The previous prime is 1068130933. The next prime is 1068130969. The reversal of 1068130945 is 5490318601.
1068130945 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 1068130945 - 229 = 531260033 is a prime.
It is a super-2 number, since 2×10681309452 = 2281807431333186050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30960 + ... + 55630.
It is an arithmetic number, because the mean of its divisors is an integer number (91631808).
Almost surely, 21068130945 is an apocalyptic number.
It is an amenable number.
1068130945 is a deficient number, since it is larger than the sum of its proper divisors (397977983).
1068130945 is a wasteful number, since it uses less digits than its factorization.
1068130945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25920.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 1068130945 is about 32682.2726412959. The cubic root of 1068130945 is about 1022.2132337063.
The spelling of 1068130945 in words is "one billion, sixty-eight million, one hundred thirty thousand, nine hundred forty-five".
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