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49988197471 is a prime number
BaseRepresentation
bin101110100011100001…
…110101110001011111
311210000202121112121011
4232203201311301133
51304333434304341
634544140320051
73416516445022
oct564341656137
9153022545534
1049988197471
111a2220416a3
129830b43027
134938499894
1425c2d3b1b9
151478812b81
hexba3875c5f

49988197471 has 2 divisors, whose sum is σ = 49988197472. Its totient is φ = 49988197470.

The previous prime is 49988197439. The next prime is 49988197481. The reversal of 49988197471 is 17479188994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49988197471 - 25 = 49988197439 is a prime.

It is a super-3 number, since 3×499881974713 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49988197397 and 49988197406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49988197481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994098735 + 24994098736.

It is an arithmetic number, because the mean of its divisors is an integer number (24994098736).

Almost surely, 249988197471 is an apocalyptic number.

49988197471 is a deficient number, since it is larger than the sum of its proper divisors (1).

49988197471 is an equidigital number, since it uses as much as digits as its factorization.

49988197471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 67.

The spelling of 49988197471 in words is "forty-nine billion, nine hundred eighty-eight million, one hundred ninety-seven thousand, four hundred seventy-one".