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7137172541 is a prime number
BaseRepresentation
bin1101010010110100…
…01001110000111101
3200102101211221010202
412221122021300331
5104104104010131
63140114213245
7341602652132
oct65132116075
920371757122
107137172541
113032825404
121472284225
13899863325
144b9c66589
152bb8b2bcb
hex1a9689c3d

7137172541 has 2 divisors, whose sum is σ = 7137172542. Its totient is φ = 7137172540.

The previous prime is 7137172519. The next prime is 7137172583. The reversal of 7137172541 is 1452717317.

7137172541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6762595225 + 374577316 = 82235^2 + 19354^2 .

It is an emirp because it is prime and its reverse (1452717317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7137172541 - 26 = 7137172477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7137172495 and 7137172504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7137171541) 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, 3568586270 + 3568586271.

It is an arithmetic number, because the mean of its divisors is an integer number (3568586271).

Almost surely, 27137172541 is an apocalyptic number.

It is an amenable number.

7137172541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7137172541 is an equidigital number, since it uses as much as digits as its factorization.

7137172541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 38.

The square root of 7137172541 is about 84481.7882208941. The cubic root of 7137172541 is about 1925.3457559407.

Adding to 7137172541 its reverse (1452717317), we get a palindrome (8589889858).

The spelling of 7137172541 in words is "seven billion, one hundred thirty-seven million, one hundred seventy-two thousand, five hundred forty-one".