Base | Representation |
---|---|
bin | 100110110011011… |
… | …1001000110101101 |
3 | 10100202000112110221 |
4 | 1031212321012231 |
5 | 10131310303010 |
6 | 333111131341 |
7 | 44160110626 |
oct | 11546710655 |
9 | 3322015427 |
10 | 1302041005 |
11 | 608a71751 |
12 | 304073b51 |
13 | 1799a0c85 |
14 | c4cd2a4d |
15 | 79494dda |
hex | 4d9b91ad |
1302041005 has 8 divisors (see below), whose sum is σ = 1564385400. Its totient is φ = 1040342016.
The previous prime is 1302040981. The next prime is 1302041009. The reversal of 1302041005 is 5001402031.
It can be written as a sum of positive squares in 4 ways, for example, as 792816649 + 509224356 = 28157^2 + 22566^2 .
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 1302041005 - 25 = 1302040973 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1302041005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1302041009) 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 7 ways as a sum of consecutive naturals, for example, 156900 + ... + 164989.
It is an arithmetic number, because the mean of its divisors is an integer number (195548175).
Almost surely, 21302041005 is an apocalyptic number.
It is an amenable number.
1302041005 is a deficient number, since it is larger than the sum of its proper divisors (262344395).
1302041005 is an equidigital number, since it uses as much as digits as its factorization.
1302041005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 322703.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 1302041005 is about 36083.8053009934. The cubic root of 1302041005 is about 1091.9637480865.
Adding to 1302041005 its reverse (5001402031), we get a palindrome (6303443036).
The spelling of 1302041005 in words is "one billion, three hundred two million, forty-one thousand, five".
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