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1142468773 is a prime number
BaseRepresentation
bin100010000011000…
…1011000010100101
32221121202102112021
41010012023002211
54314433000043
6305211023141
740211552515
oct10406130245
92847672467
101142468773
11536991776
1227a73aab1
13152900134
14aba35845
156a4743ed
hex4418b0a5

1142468773 has 2 divisors, whose sum is σ = 1142468774. Its totient is φ = 1142468772.

The previous prime is 1142468737. The next prime is 1142468779. The reversal of 1142468773 is 3778642411.

Together with previous prime (1142468737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087812324 + 54656449 = 32982^2 + 7393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1142468773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142468779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571234386 + 571234387.

It is an arithmetic number, because the mean of its divisors is an integer number (571234387).

Almost surely, 21142468773 is an apocalyptic number.

It is an amenable number.

1142468773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142468773 is an equidigital number, since it uses as much as digits as its factorization.

1142468773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 1142468773 is about 33800.4256334147. The cubic root of 1142468773 is about 1045.3974733954.

The spelling of 1142468773 in words is "one billion, one hundred forty-two million, four hundred sixty-eight thousand, seven hundred seventy-three".