Base | Representation |
---|---|
bin | 10010101010101100011… |
… | …111000010010100110001 |
3 | 11112122010010100201022022 |
4 | 102222230133002110301 |
5 | 132004130240240340 |
6 | 2421150224521225 |
7 | 161451555461153 |
oct | 22525437022461 |
9 | 4478103321268 |
10 | 1282794071345 |
11 | 4550368a1346 |
12 | 188745180215 |
13 | 93c75552377 |
14 | 461323c2ad3 |
15 | 2357d6223b5 |
hex | 12aac7c2531 |
1282794071345 has 8 divisors (see below), whose sum is σ = 1629903055464. Its totient is φ = 965868477184.
The previous prime is 1282794071261. The next prime is 1282794071393. The reversal of 1282794071345 is 5431704972821.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 671534358784 + 611259712561 = 819472^2 + 781831^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1282794071345 - 210 = 1282794070321 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 (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7545847394 + ... + 7545847563.
It is an arithmetic number, because the mean of its divisors is an integer number (203737881933).
Almost surely, 21282794071345 is an apocalyptic number.
It is an amenable number.
1282794071345 is a deficient number, since it is larger than the sum of its proper divisors (347108984119).
1282794071345 is a wasteful number, since it uses less digits than its factorization.
1282794071345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15091694979.
The product of its (nonzero) digits is 3386880, while the sum is 53.
The spelling of 1282794071345 in words is "one trillion, two hundred eighty-two billion, seven hundred ninety-four million, seventy-one thousand, three hundred forty-five".
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