Base | Representation |
---|---|
bin | 111100110011111… |
… | …111011010110101 |
3 | 2122002210200110001 |
4 | 330303333122311 |
5 | 4042141341234 |
6 | 245123431301 |
7 | 34166040661 |
oct | 7463773265 |
9 | 2562720401 |
10 | 1020262069 |
11 | 483a02aa2 |
12 | 245825531 |
13 | 1334b2988 |
14 | 997038a1 |
15 | 5e884d14 |
hex | 3ccff6b5 |
1020262069 has 2 divisors, whose sum is σ = 1020262070. Its totient is φ = 1020262068.
The previous prime is 1020261973. The next prime is 1020262121. The reversal of 1020262069 is 9602620201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1018439569 + 1822500 = 31913^2 + 1350^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020262069 - 27 = 1020261941 is a prime.
It is a super-2 number, since 2×10202620692 = 2081869378880321522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020262469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510131034 + 510131035.
It is an arithmetic number, because the mean of its divisors is an integer number (510131035).
Almost surely, 21020262069 is an apocalyptic number.
It is an amenable number.
1020262069 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020262069 is an equidigital number, since it uses as much as digits as its factorization.
1020262069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 1020262069 is about 31941.5414311833. The cubic root of 1020262069 is about 1006.7089128336.
The spelling of 1020262069 in words is "one billion, twenty million, two hundred sixty-two thousand, sixty-nine".
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