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18222086212579 is a prime number
BaseRepresentation
bin1000010010010101010001…
…11110011100101111100011
32101112000101112000012002101
410021022220332130233203
54342022313032300304
6102431035535231231
73560334166126054
oct411125076345743
971460345005071
1018222086212579
115895a416888a7
12206368b978517
13a22448a17892
1446dd4cc7272b
15218ee92da8a4
hex1092a8f9cbe3

18222086212579 has 2 divisors, whose sum is σ = 18222086212580. Its totient is φ = 18222086212578.

The previous prime is 18222086212567. The next prime is 18222086212591. The reversal of 18222086212579 is 97521268022281.

It is a balanced prime because it is at equal distance from previous prime (18222086212567) and next prime (18222086212591).

It is a cyclic number.

It is not a de Polignac number, because 18222086212579 - 233 = 18213496277987 is a prime.

It is not a weakly prime, because it can be changed into another prime (18222086212549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9111043106289 + 9111043106290.

It is an arithmetic number, because the mean of its divisors is an integer number (9111043106290).

Almost surely, 218222086212579 is an apocalyptic number.

18222086212579 is a deficient number, since it is larger than the sum of its proper divisors (1).

18222086212579 is an equidigital number, since it uses as much as digits as its factorization.

18222086212579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 18222086212579 in words is "eighteen trillion, two hundred twenty-two billion, eighty-six million, two hundred twelve thousand, five hundred seventy-nine".