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49027097561 = 132290101169
BaseRepresentation
bin101101101010001111…
…100010001111011001
311200112210010121101012
4231222033202033121
51300401414110221
634304524503305
73353636311331
oct555217421731
9150483117335
1049027097561
1119879578052
1296030aab35
13481432c700
1425314380c1
15141e26765b
hexb6a3e23d9

49027097561 has 6 divisors (see below), whose sum is σ = 53088514110. Its totient is φ = 45255782208.

The previous prime is 49027097549. The next prime is 49027097573. The reversal of 49027097561 is 16579072094.

It is an interprime number because it is at equal distance from previous prime (49027097549) and next prime (49027097573).

It can be written as a sum of positive squares in 3 ways, for example, as 6912259600 + 42114837961 = 83140^2 + 205219^2 .

It is not a de Polignac number, because 49027097561 - 214 = 49027081177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49027097591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145050416 + ... + 145050753.

It is an arithmetic number, because the mean of its divisors is an integer number (8848085685).

Almost surely, 249027097561 is an apocalyptic number.

It is an amenable number.

49027097561 is a deficient number, since it is larger than the sum of its proper divisors (4061416549).

49027097561 is a wasteful number, since it uses less digits than its factorization.

49027097561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290101195 (or 290101182 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 49027097561 in words is "forty-nine billion, twenty-seven million, ninety-seven thousand, five hundred sixty-one".

Divisors: 1 13 169 290101169 3771315197 49027097561