Base | Representation |
---|---|
bin | 111100010010010… |
… | …100010000001101 |
3 | 2121111012012022101 |
4 | 330102110100031 |
5 | 4032411401014 |
6 | 244210315101 |
7 | 34031023441 |
oct | 7422242015 |
9 | 2544165271 |
10 | 1011434509 |
11 | 479a23798 |
12 | 242888a91 |
13 | 131711977 |
14 | 98486821 |
15 | 5dbde474 |
hex | 3c49440d |
1011434509 has 2 divisors, whose sum is σ = 1011434510. Its totient is φ = 1011434508.
The previous prime is 1011434497. The next prime is 1011434521. The reversal of 1011434509 is 9054341101.
It is a balanced prime because it is at equal distance from previous prime (1011434497) and next prime (1011434521).
It can be written as a sum of positive squares in only one way, i.e., 962364484 + 49070025 = 31022^2 + 7005^2 .
It is a cyclic number.
It is not a de Polignac number, because 1011434509 - 27 = 1011434381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1011434539) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505717254 + 505717255.
It is an arithmetic number, because the mean of its divisors is an integer number (505717255).
Almost surely, 21011434509 is an apocalyptic number.
It is an amenable number.
1011434509 is a deficient number, since it is larger than the sum of its proper divisors (1).
1011434509 is an equidigital number, since it uses as much as digits as its factorization.
1011434509 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 1011434509 is about 31803.0581705596. The cubic root of 1011434509 is about 1003.7970670336.
The spelling of 1011434509 in words is "one billion, eleven million, four hundred thirty-four thousand, five hundred nine".
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