Base | Representation |
---|---|
bin | 1001000101001100000… |
… | …10011110011101001001 |
3 | 1002211101102220120102102 |
4 | 10202212002132131021 |
5 | 20103010431442301 |
6 | 355201434243145 |
7 | 31354141251566 |
oct | 4424602363511 |
9 | 1084342816372 |
10 | 312023312201 |
11 | 110368030757 |
12 | 5057bb864b5 |
13 | 23567a66323 |
14 | 1115dcab86d |
15 | 81b2ed6b6b |
hex | 48a609e749 |
312023312201 has 4 divisors (see below), whose sum is σ = 314089691904. Its totient is φ = 309956932500.
The previous prime is 312023312197. The next prime is 312023312207. The reversal of 312023312201 is 102213320213.
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: 102213320213 = 619 ⋅165126527.
It is a cyclic number.
It is not a de Polignac number, because 312023312201 - 22 = 312023312197 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (312023312207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033189625 + ... + 1033189926.
It is an arithmetic number, because the mean of its divisors is an integer number (78522422976).
Almost surely, 2312023312201 is an apocalyptic number.
It is an amenable number.
312023312201 is a deficient number, since it is larger than the sum of its proper divisors (2066379703).
312023312201 is a wasteful number, since it uses less digits than its factorization.
312023312201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2066379702.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 312023312201 its reverse (102213320213), we get a palindrome (414236632414).
The spelling of 312023312201 in words is "three hundred twelve billion, twenty-three million, three hundred twelve thousand, two hundred one".
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