Base | Representation |
---|---|
bin | 1001000001101111… |
… | …0111001111110001 |
3 | 20020212201111102102 |
4 | 2100123313033301 |
5 | 14430321121111 |
6 | 1040242030145 |
7 | 114023025623 |
oct | 22033671761 |
9 | 6225644372 |
10 | 2423223281 |
11 | 1033934576 |
12 | 577648355 |
13 | 2c805a23b |
14 | 18db86c13 |
15 | e2b1213b |
hex | 906f73f1 |
2423223281 has 2 divisors, whose sum is σ = 2423223282. Its totient is φ = 2423223280.
The previous prime is 2423223241. The next prime is 2423223301. The reversal of 2423223281 is 1823223242.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1934592256 + 488631025 = 43984^2 + 22105^2 .
It is a cyclic number.
It is not a de Polignac number, because 2423223281 - 210 = 2423222257 is a prime.
It is a super-2 number, since 2×24232232812 = 11744022139160809922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2423223241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211611640 + 1211611641.
It is an arithmetic number, because the mean of its divisors is an integer number (1211611641).
Almost surely, 22423223281 is an apocalyptic number.
It is an amenable number.
2423223281 is a deficient number, since it is larger than the sum of its proper divisors (1).
2423223281 is an equidigital number, since it uses as much as digits as its factorization.
2423223281 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9216, while the sum is 29.
The square root of 2423223281 is about 49226.2458552346. The cubic root of 2423223281 is about 1343.1704982277.
The spelling of 2423223281 in words is "two billion, four hundred twenty-three million, two hundred twenty-three thousand, two hundred eighty-one".
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