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8019071729512 = 231758963762717
BaseRepresentation
bin111010010110001010111…
…1010111111111101101000
31001101121121220012122101121
41310230111322333331220
52022341024330321022
625015524413225024
71455234034021204
oct164542572777550
931347556178347
108019071729512
112611961a30968
12a96196a92174
1346226cb876cc
141da1a7569b04
15dd8db46d2c7
hex74b15ebff68

8019071729512 has 16 divisors (see below), whose sum is σ = 15920215933860. Its totient is φ = 3773680813824.

The previous prime is 8019071729483. The next prime is 8019071729533. The reversal of 8019071729512 is 2159271709108.

It can be written as a sum of positive squares in 2 ways, for example, as 7790429005956 + 228642723556 = 2791134^2 + 478166^2 .

It is a super-2 number, since 2×80190717295122 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8019071729512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29481881223 + ... + 29481881494.

Almost surely, 28019071729512 is an apocalyptic number.

It is an amenable number.

8019071729512 is a deficient number, since it is larger than the sum of its proper divisors (7901144204348).

8019071729512 is a wasteful number, since it uses less digits than its factorization.

8019071729512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58963762740 (or 58963762736 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 52.

The spelling of 8019071729512 in words is "eight trillion, nineteen billion, seventy-one million, seven hundred twenty-nine thousand, five hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 58963762717 117927525434 235855050868 471710101736 1002383966189 2004767932378 4009535864756 8019071729512