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7270012649 is a prime number
BaseRepresentation
bin1101100010101001…
…11001011011101001
3200202122210220111202
412301110321123221
5104342110401044
63201221333545
7345105042104
oct66124713351
920678726452
107270012649
1130a0807119
1214aa8672b5
138bb234743
144cd76573b
152c83a2c4e
hex1b15396e9

7270012649 has 2 divisors, whose sum is σ = 7270012650. Its totient is φ = 7270012648.

The previous prime is 7270012637. The next prime is 7270012663. The reversal of 7270012649 is 9462100727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5624250025 + 1645762624 = 74995^2 + 40568^2 .

It is an emirp because it is prime and its reverse (9462100727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7270012649 - 212 = 7270008553 is a prime.

It is not a weakly prime, because it can be changed into another prime (7270012609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3635006324 + 3635006325.

It is an arithmetic number, because the mean of its divisors is an integer number (3635006325).

Almost surely, 27270012649 is an apocalyptic number.

It is an amenable number.

7270012649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7270012649 is an equidigital number, since it uses as much as digits as its factorization.

7270012649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7270012649 is about 85264.3691643819. The cubic root of 7270012649 is about 1937.2175232111.

The spelling of 7270012649 in words is "seven billion, two hundred seventy million, twelve thousand, six hundred forty-nine".