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7145875769 is a prime number
BaseRepresentation
bin1101010011110110…
…10110100100111001
3200110000020002201112
412221323112210321
5104113321011034
63141024530105
7342036641024
oct65173264471
920400202645
107145875769
11303772a25a
121475180935
1389b5bc876
144bb0901bb
152bc5317ce
hex1a9ed6939

7145875769 has 2 divisors, whose sum is σ = 7145875770. Its totient is φ = 7145875768.

The previous prime is 7145875733. The next prime is 7145875777. The reversal of 7145875769 is 9675785417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6938890000 + 206985769 = 83300^2 + 14387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7145875769 is a prime.

It is a super-2 number, since 2×71458757692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7145875469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572937884 + 3572937885.

It is an arithmetic number, because the mean of its divisors is an integer number (3572937885).

Almost surely, 27145875769 is an apocalyptic number.

It is an amenable number.

7145875769 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145875769 is an equidigital number, since it uses as much as digits as its factorization.

7145875769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14817600, while the sum is 59.

The square root of 7145875769 is about 84533.2820195691. The cubic root of 7145875769 is about 1926.1280412894.

The spelling of 7145875769 in words is "seven billion, one hundred forty-five million, eight hundred seventy-five thousand, seven hundred sixty-nine".