Base | Representation |
---|---|
bin | 101000100000111… |
… | …0001110111000101 |
3 | 10111201222201212002 |
4 | 1101001301313011 |
5 | 10241002431434 |
6 | 342521035045 |
7 | 45454613102 |
oct | 12101616705 |
9 | 3451881762 |
10 | 1359420869 |
11 | 6383a3024 |
12 | 31b325a85 |
13 | 188841461 |
14 | cc78baa9 |
15 | 7e52b57e |
hex | 51071dc5 |
1359420869 has 2 divisors, whose sum is σ = 1359420870. Its totient is φ = 1359420868.
The previous prime is 1359420863. The next prime is 1359420871. The reversal of 1359420869 is 9680249531.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1167930625 + 191490244 = 34175^2 + 13838^2 .
It is a cyclic number.
It is not a de Polignac number, because 1359420869 - 28 = 1359420613 is a prime.
It is a super-2 number, since 2×13594208692 = 3696050198145430322, which contains 22 as substring.
Together with 1359420871, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1359420863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679710434 + 679710435.
It is an arithmetic number, because the mean of its divisors is an integer number (679710435).
Almost surely, 21359420869 is an apocalyptic number.
It is an amenable number.
1359420869 is a deficient number, since it is larger than the sum of its proper divisors (1).
1359420869 is an equidigital number, since it uses as much as digits as its factorization.
1359420869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 466560, while the sum is 47.
The square root of 1359420869 is about 36870.3250460313. The cubic root of 1359420869 is about 1107.7743649138.
The spelling of 1359420869 in words is "one billion, three hundred fifty-nine million, four hundred twenty thousand, eight hundred sixty-nine".
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