Base | Representation |
---|---|
bin | 100010001001011… |
… | …1100111010000001 |
3 | 2221212001121211121 |
4 | 1010102330322001 |
5 | 4321312200003 |
6 | 305410512241 |
7 | 40252204312 |
oct | 10422747201 |
9 | 2855047747 |
10 | 1145818753 |
11 | 53886a652 |
12 | 27b895681 |
13 | 153503b81 |
14 | ac268609 |
15 | 6a8d6cbd |
hex | 444bce81 |
1145818753 has 2 divisors, whose sum is σ = 1145818754. Its totient is φ = 1145818752.
The previous prime is 1145818699. The next prime is 1145818771. The reversal of 1145818753 is 3578185411.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1045358224 + 100460529 = 32332^2 + 10023^2 .
It is an emirp because it is prime and its reverse (3578185411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1145818753 - 229 = 608947841 is a prime.
It is a super-2 number, since 2×11458187532 = 2625801229452950018, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1145812753) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572909376 + 572909377.
It is an arithmetic number, because the mean of its divisors is an integer number (572909377).
Almost surely, 21145818753 is an apocalyptic number.
It is an amenable number.
1145818753 is a deficient number, since it is larger than the sum of its proper divisors (1).
1145818753 is an equidigital number, since it uses as much as digits as its factorization.
1145818753 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 134400, while the sum is 43.
The square root of 1145818753 is about 33849.9446528351. The cubic root of 1145818753 is about 1046.4182578953.
The spelling of 1145818753 in words is "one billion, one hundred forty-five million, eight hundred eighteen thousand, seven hundred fifty-three".
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