Base | Representation |
---|---|
bin | 1000010101101100… |
… | …0110011010001101 |
3 | 12210000002020212121 |
4 | 2011123012122031 |
5 | 14041022130434 |
6 | 1010042132541 |
7 | 106320466612 |
oct | 20533063215 |
9 | 5700066777 |
10 | 2238473869 |
11 | a49618605 |
12 | 5257b1151 |
13 | 2989b2668 |
14 | 173414509 |
15 | d17bb7b4 |
hex | 856c668d |
2238473869 has 2 divisors, whose sum is σ = 2238473870. Its totient is φ = 2238473868.
The previous prime is 2238473863. The next prime is 2238473899. The reversal of 2238473869 is 9683748322.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1401528969 + 836944900 = 37437^2 + 28930^2 .
It is a cyclic number.
It is not a de Polignac number, because 2238473869 - 217 = 2238342797 is a prime.
It is a super-2 number, since 2×22384738692 = 10021530524391658322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2238473863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119236934 + 1119236935.
It is an arithmetic number, because the mean of its divisors is an integer number (1119236935).
Almost surely, 22238473869 is an apocalyptic number.
It is an amenable number.
2238473869 is a deficient number, since it is larger than the sum of its proper divisors (1).
2238473869 is an equidigital number, since it uses as much as digits as its factorization.
2238473869 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3483648, while the sum is 52.
The square root of 2238473869 is about 47312.5128163787. The cubic root of 2238473869 is about 1308.1293092038.
The spelling of 2238473869 in words is "two billion, two hundred thirty-eight million, four hundred seventy-three thousand, eight hundred sixty-nine".
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