Base | Representation |
---|---|
bin | 10010100110010… |
… | …011010001101001 |
3 | 210202010210010021 |
4 | 102212103101221 |
5 | 1114334432223 |
6 | 50543520441 |
7 | 10506133240 |
oct | 2246232151 |
9 | 722123107 |
10 | 312030313 |
11 | 150150aa1 |
12 | 885b9121 |
13 | 4c85082a |
14 | 2d625957 |
15 | 1c5d865d |
hex | 12993469 |
312030313 has 8 divisors (see below), whose sum is σ = 356848128. Its totient is φ = 267273024.
The previous prime is 312030289. The next prime is 312030337. The reversal of 312030313 is 313030213.
It is an interprime number because it is at equal distance from previous prime (312030289) and next prime (312030337).
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 312030313 - 213 = 312022121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (312030413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3481 + ... + 25222.
It is an arithmetic number, because the mean of its divisors is an integer number (44606016).
Almost surely, 2312030313 is an apocalyptic number.
It is an amenable number.
312030313 is a deficient number, since it is larger than the sum of its proper divisors (44817815).
312030313 is a wasteful number, since it uses less digits than its factorization.
312030313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30263.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 312030313 is about 17664.3797796583. The cubic root of 312030313 is about 678.2642532318.
Adding to 312030313 its reverse (313030213), we get a palindrome (625060526).
It can be divided in two parts, 3120 and 30313, that added together give a palindrome (33433).
The spelling of 312030313 in words is "three hundred twelve million, thirty thousand, three hundred thirteen".
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