Base | Representation |
---|---|
bin | 1001000101011000110… |
… | …10010001010110110101 |
3 | 1002211122220001201011102 |
4 | 10202230122101112311 |
5 | 20103220313311201 |
6 | 355220213415445 |
7 | 31356610015604 |
oct | 4425432212665 |
9 | 1084586051142 |
10 | 312130213301 |
11 | 110412406075 |
12 | 505ab93a585 |
13 | 23583c5500a |
14 | 11170177a3b |
15 | 81bc5a126b |
hex | 48ac6915b5 |
312130213301 has 8 divisors (see below), whose sum is σ = 315249954264. Its totient is φ = 309016744960.
The previous prime is 312130213289. The next prime is 312130213303. The reversal of 312130213301 is 103312031213.
It can be written as a sum of positive squares in 4 ways, for example, as 64724448100 + 247405765201 = 254410^2 + 497399^2 .
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 312130213301 - 230 = 311056471477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312130213303) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468106 + ... + 1667211.
It is an arithmetic number, because the mean of its divisors is an integer number (39406244283).
Almost surely, 2312130213301 is an apocalyptic number.
It is an amenable number.
312130213301 is a deficient number, since it is larger than the sum of its proper divisors (3119740963).
312130213301 is a wasteful number, since it uses less digits than its factorization.
312130213301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3136311.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 312130213301 its reverse (103312031213), we get a palindrome (415442244514).
The spelling of 312130213301 in words is "three hundred twelve billion, one hundred thirty million, two hundred thirteen thousand, three hundred one".
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