Base | Representation |
---|---|
bin | 111100101100010… |
… | …011000001101101 |
3 | 2121222000012212021 |
4 | 330230103001231 |
5 | 4041132321404 |
6 | 245012310141 |
7 | 34142640661 |
oct | 7454230155 |
9 | 2558005767 |
10 | 1018245229 |
11 | 482855791 |
12 | 245012351 |
13 | 132c57991 |
14 | 9933a8a1 |
15 | 5e5d7454 |
hex | 3cb1306d |
1018245229 has 2 divisors, whose sum is σ = 1018245230. Its totient is φ = 1018245228.
The previous prime is 1018245227. The next prime is 1018245247. The reversal of 1018245229 is 9225428101.
1018245229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 727542729 + 290702500 = 26973^2 + 17050^2 .
It is a cyclic number.
It is not a de Polignac number, because 1018245229 - 21 = 1018245227 is a prime.
Together with 1018245227, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1018245194 and 1018245203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1018245223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509122614 + 509122615.
It is an arithmetic number, because the mean of its divisors is an integer number (509122615).
Almost surely, 21018245229 is an apocalyptic number.
It is an amenable number.
1018245229 is a deficient number, since it is larger than the sum of its proper divisors (1).
1018245229 is an equidigital number, since it uses as much as digits as its factorization.
1018245229 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 1018245229 is about 31909.9550140705. The cubic root of 1018245229 is about 1006.0451258171.
It can be divided in two parts, 10182452 and 29, that added together give a square (10182481 = 31912).
The spelling of 1018245229 in words is "one billion, eighteen million, two hundred forty-five thousand, two hundred twenty-nine".
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