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1148933069 is a prime number
BaseRepresentation
bin100010001111011…
…0101001111001101
32222001220211212122
41010132311033031
54323111324234
6310001342325
740320525044
oct10436651715
92861824778
101148933069
1153a5a7469
122809379a5
1315405456b
14ac83955b
156acee92e
hex447b53cd

1148933069 has 2 divisors, whose sum is σ = 1148933070. Its totient is φ = 1148933068.

The previous prime is 1148932999. The next prime is 1148933131. The reversal of 1148933069 is 9603398411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965655625 + 183277444 = 31075^2 + 13538^2 .

It is an emirp because it is prime and its reverse (9603398411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1148933069 - 212 = 1148928973 is a prime.

It is a super-2 number, since 2×11489330692 = 2640094394083517522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148933969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574466534 + 574466535.

It is an arithmetic number, because the mean of its divisors is an integer number (574466535).

Almost surely, 21148933069 is an apocalyptic number.

It is an amenable number.

1148933069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148933069 is an equidigital number, since it uses as much as digits as its factorization.

1148933069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1148933069 is about 33895.9152258794. The cubic root of 1148933069 is about 1047.3654493078.

The spelling of 1148933069 in words is "one billion, one hundred forty-eight million, nine hundred thirty-three thousand, sixty-nine".