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49036107139 = 181270917719
BaseRepresentation
bin101101101010110001…
…111001110110000011
311200120102002100012021
4231222301321312003
51300411220412024
634305445542311
73354106014325
oct555261716603
9150512070167
1049036107139
1119883671088
129606114997
134816165516
142532701615
15141ee46de4
hexb6ac79d83

49036107139 has 4 divisors (see below), whose sum is σ = 49307025040. Its totient is φ = 48765189240.

The previous prime is 49036107089. The next prime is 49036107217. The reversal of 49036107139 is 93170163094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49036107139 - 235 = 14676368771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49036107095 and 49036107104.

It is not an unprimeable number, because it can be changed into a prime (49036107739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135458679 + ... + 135459040.

It is an arithmetic number, because the mean of its divisors is an integer number (12326756260).

Almost surely, 249036107139 is an apocalyptic number.

49036107139 is a deficient number, since it is larger than the sum of its proper divisors (270917901).

49036107139 is a wasteful number, since it uses less digits than its factorization.

49036107139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270917900.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 49036107139 in words is "forty-nine billion, thirty-six million, one hundred seven thousand, one hundred thirty-nine".

Divisors: 1 181 270917719 49036107139