Base | Representation |
---|---|
bin | 111100010111001… |
… | …010001100000101 |
3 | 2121120120200201202 |
4 | 330113022030011 |
5 | 4033223012010 |
6 | 244253432245 |
7 | 34044561545 |
oct | 7427121405 |
9 | 2546520652 |
10 | 1012704005 |
11 | 47a710565 |
12 | 24319b685 |
13 | 131a67751 |
14 | 986d7325 |
15 | 5dd906a5 |
hex | 3c5ca305 |
1012704005 has 8 divisors (see below), whose sum is σ = 1235167224. Its totient is φ = 796881600.
The previous prime is 1012703987. The next prime is 1012704029. The reversal of 1012704005 is 5004072101.
It can be written as a sum of positive squares in 4 ways, for example, as 676 + 1012703329 = 26^2 + 31823^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1012704005 - 28 = 1012703749 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659866 + ... + 1660475.
It is an arithmetic number, because the mean of its divisors is an integer number (154395903).
Almost surely, 21012704005 is an apocalyptic number.
It is an amenable number.
1012704005 is a deficient number, since it is larger than the sum of its proper divisors (222463219).
1012704005 is an equidigital number, since it uses as much as digits as its factorization.
1012704005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3320407.
The product of its (nonzero) digits is 280, while the sum is 20.
The square root of 1012704005 is about 31823.0106212470. The cubic root of 1012704005 is about 1004.2168614185.
Adding to 1012704005 its reverse (5004072101), we get a palindrome (6016776106).
The spelling of 1012704005 in words is "one billion, twelve million, seven hundred four thousand, five".
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