Base | Representation |
---|---|
bin | 10010101010110… |
… | …101101110111011 |
3 | 210211101020002202 |
4 | 102222311232323 |
5 | 1120141020102 |
6 | 51025220415 |
7 | 10522216631 |
oct | 2252655673 |
9 | 724336082 |
10 | 313220027 |
11 | 15089392a |
12 | 88a9170b |
13 | 4cb791c3 |
14 | 2d855351 |
15 | 1c770e02 |
hex | 12ab5bbb |
313220027 has 2 divisors, whose sum is σ = 313220028. Its totient is φ = 313220026.
The previous prime is 313220021. The next prime is 313220029. The reversal of 313220027 is 720022313.
It is a strong prime.
It is an emirp because it is prime and its reverse (720022313) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 313220027 - 210 = 313219003 is a prime.
Together with 313220029, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 313219990 and 313220008.
It is not a weakly prime, because it can be changed into another prime (313220021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610013 + 156610014.
It is an arithmetic number, because the mean of its divisors is an integer number (156610014).
Almost surely, 2313220027 is an apocalyptic number.
313220027 is a deficient number, since it is larger than the sum of its proper divisors (1).
313220027 is an equidigital number, since it uses as much as digits as its factorization.
313220027 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 313220027 is about 17698.0232511996. The cubic root of 313220027 is about 679.1251920993.
The spelling of 313220027 in words is "three hundred thirteen million, two hundred twenty thousand, twenty-seven".
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