Base | Representation |
---|---|
bin | 101010101000110… |
… | …0100101000101101 |
3 | 10200201001120002221 |
4 | 1111101210220231 |
5 | 10412222413434 |
6 | 353544115341 |
7 | 50311331116 |
oct | 12521445055 |
9 | 3621046087 |
10 | 1430669869 |
11 | 6746374a2 |
12 | 33b165b51 |
13 | 19a529625 |
14 | d801720d |
15 | 859022b4 |
hex | 55464a2d |
1430669869 has 2 divisors, whose sum is σ = 1430669870. Its totient is φ = 1430669868.
The previous prime is 1430669857. The next prime is 1430669881. The reversal of 1430669869 is 9689660341.
It is a balanced prime because it is at equal distance from previous prime (1430669857) and next prime (1430669881).
It can be written as a sum of positive squares in only one way, i.e., 1373591844 + 57078025 = 37062^2 + 7555^2 .
It is a cyclic number.
It is not a de Polignac number, because 1430669869 - 27 = 1430669741 is a prime.
It is a super-2 number, since 2×14306698692 = 4093632548128954322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1430667869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715334934 + 715334935.
It is an arithmetic number, because the mean of its divisors is an integer number (715334935).
Almost surely, 21430669869 is an apocalyptic number.
It is an amenable number.
1430669869 is a deficient number, since it is larger than the sum of its proper divisors (1).
1430669869 is an equidigital number, since it uses as much as digits as its factorization.
1430669869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1679616, while the sum is 52.
The square root of 1430669869 is about 37824.1968718438. The cubic root of 1430669869 is about 1126.7990622729.
The spelling of 1430669869 in words is "one billion, four hundred thirty million, six hundred sixty-nine thousand, eight hundred sixty-nine".
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