Base | Representation |
---|---|
bin | 10010100110001… |
… | …111110101001001 |
3 | 210202010001202121 |
4 | 102212033311021 |
5 | 1114334004301 |
6 | 50543331241 |
7 | 10506044140 |
oct | 2246176511 |
9 | 722101677 |
10 | 312016201 |
11 | 150141432 |
12 | 885b0b21 |
13 | 4c847293 |
14 | 2d620757 |
15 | 1c5d43a1 |
hex | 1298fd49 |
312016201 has 4 divisors (see below), whose sum is σ = 356589952. Its totient is φ = 267442452.
The previous prime is 312016171. The next prime is 312016223. The reversal of 312016201 is 102610213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102610213 = 37 ⋅2773249.
It is a cyclic number.
It is not a de Polignac number, because 312016201 - 29 = 312015689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312016231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22286865 + ... + 22286878.
It is an arithmetic number, because the mean of its divisors is an integer number (89147488).
Almost surely, 2312016201 is an apocalyptic number.
It is an amenable number.
312016201 is a deficient number, since it is larger than the sum of its proper divisors (44573751).
312016201 is an equidigital number, since it uses as much as digits as its factorization.
312016201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44573750.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 312016201 is about 17663.9803272082. The cubic root of 312016201 is about 678.2540279331.
Adding to 312016201 its reverse (102610213), we get a palindrome (414626414).
It can be divided in two parts, 3120 and 16201, that added together give a square (19321 = 1392).
The spelling of 312016201 in words is "three hundred twelve million, sixteen thousand, two hundred one".
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