Base | Representation |
---|---|
bin | 10010100110010… |
… | …000110101100111 |
3 | 210202010021102102 |
4 | 102212100311213 |
5 | 1114334122302 |
6 | 50543402315 |
7 | 10506062153 |
oct | 2246206547 |
9 | 722107372 |
10 | 312020327 |
11 | 150144543 |
12 | 885b339b |
13 | 4c849118 |
14 | 2d622063 |
15 | 1c5d5702 |
hex | 12990d67 |
312020327 has 2 divisors, whose sum is σ = 312020328. Its totient is φ = 312020326.
The previous prime is 312020257. The next prime is 312020347. The reversal of 312020327 is 723020213.
It is an a-pointer prime, because the next prime (312020347) can be obtained adding 312020327 to its sum of digits (20).
It is a strong prime.
It is an emirp because it is prime and its reverse (723020213) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 312020327 - 212 = 312016231 is a prime.
It is a super-2 number, since 2×3120203272 = 194713368922373858, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 312020299 and 312020308.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312020347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156010163 + 156010164.
It is an arithmetic number, because the mean of its divisors is an integer number (156010164).
Almost surely, 2312020327 is an apocalyptic number.
312020327 is a deficient number, since it is larger than the sum of its proper divisors (1).
312020327 is an equidigital number, since it uses as much as digits as its factorization.
312020327 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 312020327 is about 17664.0971181660. The cubic root of 312020327 is about 678.2570175896.
The spelling of 312020327 in words is "three hundred twelve million, twenty thousand, three hundred twenty-seven".
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