Base | Representation |
---|---|
bin | 100100011100101… |
… | …1110001010100111 |
3 | 10011020100010100001 |
4 | 1020321132022213 |
5 | 10001043302234 |
6 | 321205402131 |
7 | 42210354325 |
oct | 11071361247 |
9 | 3136303301 |
10 | 1223025319 |
11 | 57840302a |
12 | 2a1709347 |
13 | 1664c6929 |
14 | b8604d15 |
15 | 72587d14 |
hex | 48e5e2a7 |
1223025319 has 2 divisors, whose sum is σ = 1223025320. Its totient is φ = 1223025318.
The previous prime is 1223025317. The next prime is 1223025341. The reversal of 1223025319 is 9135203221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1223025319 - 21 = 1223025317 is a prime.
It is a super-2 number, since 2×12230253192 = 2991581861830103522, which contains 22 as substring.
Together with 1223025317, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1223025311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611512659 + 611512660.
It is an arithmetic number, because the mean of its divisors is an integer number (611512660).
Almost surely, 21223025319 is an apocalyptic number.
1223025319 is a deficient number, since it is larger than the sum of its proper divisors (1).
1223025319 is an equidigital number, since it uses as much as digits as its factorization.
1223025319 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 1223025319 is about 34971.7788938452. The cubic root of 1223025319 is about 1069.4122369520.
The spelling of 1223025319 in words is "one billion, two hundred twenty-three million, twenty-five thousand, three hundred nineteen".
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