Base | Representation |
---|---|
bin | 100111000110100… |
… | …0000111001100101 |
3 | 10101102211020211212 |
4 | 1032031000321211 |
5 | 10141340100110 |
6 | 334105241205 |
7 | 44341052123 |
oct | 11615007145 |
9 | 3342736755 |
10 | 1312034405 |
11 | 613677960 |
12 | 307493205 |
13 | 17ba8c826 |
14 | c6374913 |
15 | 7a2bae05 |
hex | 4e340e65 |
1312034405 has 16 divisors (see below), whose sum is σ = 1718323200. Its totient is φ = 953789760.
The previous prime is 1312034387. The next prime is 1312034411. The reversal of 1312034405 is 5044302131.
1312034405 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1312034405 - 210 = 1312033381 is a prime.
It is a congruent 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, 182876 + ... + 189914.
It is an arithmetic number, because the mean of its divisors is an integer number (107395200).
Almost surely, 21312034405 is an apocalyptic number.
It is an amenable number.
1312034405 is a deficient number, since it is larger than the sum of its proper divisors (406288795).
1312034405 is a wasteful number, since it uses less digits than its factorization.
1312034405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10444.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 1312034405 is about 36222.0154740180. The cubic root of 1312034405 is about 1094.7503041227.
Adding to 1312034405 its reverse (5044302131), we get a palindrome (6356336536).
The spelling of 1312034405 in words is "one billion, three hundred twelve million, thirty-four thousand, four hundred five".
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