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49568981417 is a prime number
BaseRepresentation
bin101110001010100010…
…101010000110101001
311201221112210011021122
4232022202222012221
51303004124401132
634434403145025
73403236250544
oct561242520651
9151845704248
1049568981417
111a02744144a
129734675175
13489c68a947
1425833b385b
151451b05912
hexb8a8aa1a9

49568981417 has 2 divisors, whose sum is σ = 49568981418. Its totient is φ = 49568981416.

The previous prime is 49568981411. The next prime is 49568981477. The reversal of 49568981417 is 71418986594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40697413696 + 8871567721 = 201736^2 + 94189^2 .

It is a cyclic number.

It is not a de Polignac number, because 49568981417 - 222 = 49564787113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49568981417.

It is not a weakly prime, because it can be changed into another prime (49568981411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24784490708 + 24784490709.

It is an arithmetic number, because the mean of its divisors is an integer number (24784490709).

Almost surely, 249568981417 is an apocalyptic number.

It is an amenable number.

49568981417 is a deficient number, since it is larger than the sum of its proper divisors (1).

49568981417 is an equidigital number, since it uses as much as digits as its factorization.

49568981417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 62.

The spelling of 49568981417 in words is "forty-nine billion, five hundred sixty-eight million, nine hundred eighty-one thousand, four hundred seventeen".