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8019071729423 is a prime number
BaseRepresentation
bin111010010110001010111…
…1010111111111100001111
31001101121121220012122021022
41310230111322333330033
52022341024330320143
625015524413224355
71455234034021016
oct164542572777417
931347556178238
108019071729423
112611961a30897
12a96196a920bb
1346226cb87661
141da1a7569a7d
15dd8db46d268
hex74b15ebff0f

8019071729423 has 2 divisors, whose sum is σ = 8019071729424. Its totient is φ = 8019071729422.

The previous prime is 8019071729411. The next prime is 8019071729437. The reversal of 8019071729423 is 3249271709108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8019071729423 - 220 = 8019070680847 is a prime.

It is a super-2 number, since 2×80190717294232 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8019071729483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4009535864711 + 4009535864712.

It is an arithmetic number, because the mean of its divisors is an integer number (4009535864712).

Almost surely, 28019071729423 is an apocalyptic number.

8019071729423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8019071729423 is an equidigital number, since it uses as much as digits as its factorization.

8019071729423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 8019071729423 in words is "eight trillion, nineteen billion, seventy-one million, seven hundred twenty-nine thousand, four hundred twenty-three".