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47227345577 is a prime number
BaseRepresentation
bin101011111110111110…
…000001101010101001
311111220100120201210022
4223332332001222221
51233210200024302
633410153530225
73261223546106
oct537676015251
9144810521708
1047227345577
1119035672815
1291a0413975
1345b84c84c9
1424003c7aad
15136625c8a2
hexafef81aa9

47227345577 has 2 divisors, whose sum is σ = 47227345578. Its totient is φ = 47227345576.

The previous prime is 47227345549. The next prime is 47227345597. The reversal of 47227345577 is 77554372274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46948488976 + 278856601 = 216676^2 + 16699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47227345577 is a prime.

It is not a weakly prime, because it can be changed into another prime (47227345537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613672788 + 23613672789.

It is an arithmetic number, because the mean of its divisors is an integer number (23613672789).

Almost surely, 247227345577 is an apocalyptic number.

It is an amenable number.

47227345577 is a deficient number, since it is larger than the sum of its proper divisors (1).

47227345577 is an equidigital number, since it uses as much as digits as its factorization.

47227345577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11524800, while the sum is 53.

The spelling of 47227345577 in words is "forty-seven billion, two hundred twenty-seven million, three hundred forty-five thousand, five hundred seventy-seven".