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9129795149 is a prime number
BaseRepresentation
bin10001000000010110…
…11001111001001101
3212120021022122111002
420200023121321031
5122144211421044
64105535110045
7442146656366
oct104013317115
925507278432
109129795149
113965593252
121929672325
13b26626767
14628760b6d
153867b974e
hex2202d9e4d

9129795149 has 2 divisors, whose sum is σ = 9129795150. Its totient is φ = 9129795148.

The previous prime is 9129795121. The next prime is 9129795173. The reversal of 9129795149 is 9415979219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5315868100 + 3813927049 = 72910^2 + 61757^2 .

It is an emirp because it is prime and its reverse (9415979219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9129795149 - 220 = 9128746573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9129795094 and 9129795103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9129795049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4564897574 + 4564897575.

It is an arithmetic number, because the mean of its divisors is an integer number (4564897575).

Almost surely, 29129795149 is an apocalyptic number.

It is an amenable number.

9129795149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9129795149 is an equidigital number, since it uses as much as digits as its factorization.

9129795149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 56.

The square root of 9129795149 is about 95549.9615332209. The cubic root of 9129795149 is about 2090.0355716113.

The spelling of 9129795149 in words is "nine billion, one hundred twenty-nine million, seven hundred ninety-five thousand, one hundred forty-nine".