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47817081223 is a prime number
BaseRepresentation
bin101100100010000111…
…101100000110000111
311120102110021102000021
4230202013230012013
51240412133044343
633544502000011
73311644325032
oct544207540607
9146373242007
1047817081223
111930854a94a
129325a16007
13468073c102
14245885c019
15139cdee0ed
hexb221ec187

47817081223 has 2 divisors, whose sum is σ = 47817081224. Its totient is φ = 47817081222.

The previous prime is 47817081217. The next prime is 47817081227. The reversal of 47817081223 is 32218071874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47817081223 - 229 = 47280210311 is a prime.

It is a super-3 number, since 3×478170812233 (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47817081223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47817081227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23908540611 + 23908540612.

It is an arithmetic number, because the mean of its divisors is an integer number (23908540612).

Almost surely, 247817081223 is an apocalyptic number.

47817081223 is a deficient number, since it is larger than the sum of its proper divisors (1).

47817081223 is an equidigital number, since it uses as much as digits as its factorization.

47817081223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 47817081223 in words is "forty-seven billion, eight hundred seventeen million, eighty-one thousand, two hundred twenty-three".