Base | Representation |
---|---|
bin | 111110011010000… |
… | …010011110111001 |
3 | 2200222010210020120 |
4 | 332122002132321 |
5 | 4121013411210 |
6 | 251521043453 |
7 | 34642315632 |
oct | 7632023671 |
9 | 2628123216 |
10 | 1047013305 |
11 | 498014658 |
12 | 252786589 |
13 | 138bbb000 |
14 | 9d0a8889 |
15 | 61dbb270 |
hex | 3e6827b9 |
1047013305 has 32 divisors (see below), whose sum is σ = 1814816640. Its totient is φ = 515436480.
The previous prime is 1047013301. The next prime is 1047013327. The reversal of 1047013305 is 5033107401.
It is not a de Polignac number, because 1047013305 - 22 = 1047013301 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1047013301) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 17070 + ... + 48840.
It is an arithmetic number, because the mean of its divisors is an integer number (56713020).
Almost surely, 21047013305 is an apocalyptic number.
1047013305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1047013305 is a deficient number, since it is larger than the sum of its proper divisors (767803335).
1047013305 is an equidigital number, since it uses as much as digits as its factorization.
1047013305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31818 (or 31792 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 1047013305 is about 32357.5849685974. The cubic root of 1047013305 is about 1015.4317381601.
The spelling of 1047013305 in words is "one billion, forty-seven million, thirteen thousand, three hundred five".
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