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78218582341063 is a prime number
BaseRepresentation
bin10001110010001110101110…
…110100001011010111000111
3101020221121211111020120221111
4101302032232310023113013
540223013124034403223
6434205042021425451
722322051246631613
oct2162165664132707
9336847744216844
1078218582341063
1122a1735063941a
128933350b6b287
133484c996a24c8
141545b2a0c0343
159099a146930d
hex4723aed0b5c7

78218582341063 has 2 divisors, whose sum is σ = 78218582341064. Its totient is φ = 78218582341062.

The previous prime is 78218582341057. The next prime is 78218582341087. The reversal of 78218582341063 is 36014328581287.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78218582341063 - 241 = 76019559085511 is a prime.

It is a super-2 number, since 2×782185823410632 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78218582340989 and 78218582341007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78218582341363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39109291170531 + 39109291170532.

It is an arithmetic number, because the mean of its divisors is an integer number (39109291170532).

Almost surely, 278218582341063 is an apocalyptic number.

78218582341063 is a deficient number, since it is larger than the sum of its proper divisors (1).

78218582341063 is an equidigital number, since it uses as much as digits as its factorization.

78218582341063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 78218582341063 in words is "seventy-eight trillion, two hundred eighteen billion, five hundred eighty-two million, three hundred forty-one thousand, sixty-three".