Base | Representation |
---|---|
bin | 10010101000111… |
… | …001110011011101 |
3 | 210210102102210020 |
4 | 102220321303131 |
5 | 1120023244123 |
6 | 51010302353 |
7 | 10515003666 |
oct | 2250716335 |
9 | 723372706 |
10 | 312712413 |
11 | 150577512 |
12 | 888879b9 |
13 | 4ca2c140 |
14 | 2d76236d |
15 | 1c6c07e3 |
hex | 12a39cdd |
312712413 has 16 divisors (see below), whose sum is σ = 456387456. Its totient is φ = 189282240.
The previous prime is 312712397. The next prime is 312712417. The reversal of 312712413 is 314217213.
It is a happy number.
It is not a de Polignac number, because 312712413 - 24 = 312712397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312712417) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63345 + ... + 68102.
It is an arithmetic number, because the mean of its divisors is an integer number (28524216).
Almost surely, 2312712413 is an apocalyptic number.
It is an amenable number.
312712413 is a deficient number, since it is larger than the sum of its proper divisors (143675043).
312712413 is a wasteful number, since it uses less digits than its factorization.
312712413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131524.
The product of its digits is 1008, while the sum is 24.
The square root of 312712413 is about 17683.6764559862. The cubic root of 312712413 is about 678.7581233490.
Adding to 312712413 its reverse (314217213), we get a palindrome (626929626).
The spelling of 312712413 in words is "three hundred twelve million, seven hundred twelve thousand, four hundred thirteen".
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