Base | Representation |
---|---|
bin | 1001000101100110100… |
… | …00001100001100010111 |
3 | 1002211221220002001022022 |
4 | 10202303100030030113 |
5 | 20103434210324343 |
6 | 355235434123355 |
7 | 31362502542455 |
oct | 4426320141427 |
9 | 1084856061268 |
10 | 312245011223 |
11 | 110471194492 |
12 | 5062228055b |
13 | 235a197a192 |
14 | 111814db9d5 |
15 | 81c76ca568 |
hex | 48b340c317 |
312245011223 has 2 divisors, whose sum is σ = 312245011224. Its totient is φ = 312245011222.
The previous prime is 312245011213. The next prime is 312245011249. The reversal of 312245011223 is 322110542213.
It is an a-pointer prime, because the next prime (312245011249) can be obtained adding 312245011223 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 312245011223 - 26 = 312245011159 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 312245011192 and 312245011201.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312245011213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156122505611 + 156122505612.
It is an arithmetic number, because the mean of its divisors is an integer number (156122505612).
Almost surely, 2312245011223 is an apocalyptic number.
312245011223 is a deficient number, since it is larger than the sum of its proper divisors (1).
312245011223 is an equidigital number, since it uses as much as digits as its factorization.
312245011223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 312245011223 its reverse (322110542213), we get a palindrome (634355553436).
The spelling of 312245011223 in words is "three hundred twelve billion, two hundred forty-five million, eleven thousand, two hundred twenty-three".
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