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8020710343460 = 22529102241135257
BaseRepresentation
bin111010010110111011110…
…0101110100001100100100
31001101202212002112212011002
41310231313211310030210
52022402403321442320
625020355150332432
71455322452014303
oct164556745641444
931352762485132
108020710343460
112612622986871
12a965737ba118
134624714c0169
141da2c103243a
15dd985248675
hex74b77974324

8020710343460 has 48 divisors (see below), whose sum is σ = 17424601029360. Its totient is φ = 3097600450560.

The previous prime is 8020710343453. The next prime is 8020710343511. The reversal of 8020710343460 is 643430170208.

It can be written as a sum of positive squares in 8 ways, for example, as 81243241024 + 7939467102436 = 285032^2 + 2817706^2 .

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 59232152 + ... + 59367408.

It is an arithmetic number, because the mean of its divisors is an integer number (363012521445).

Almost surely, 28020710343460 is an apocalyptic number.

It is an amenable number.

8020710343460 is an abundant number, since it is smaller than the sum of its proper divisors (9403890685900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8020710343460 is a wasteful number, since it uses less digits than its factorization.

8020710343460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237536 (or 237534 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 8020710343460 in words is "eight trillion, twenty billion, seven hundred ten million, three hundred forty-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 102241 135257 204482 270514 408964 511205 541028 676285 1022410 1352570 2044820 2705140 2964989 3922453 5929978 7844906 11859956 14824945 15689812 19612265 29649890 39224530 59299780 78449060 13828810937 27657621874 55315243748 69144054685 138288109370 276576218740 401035517173 802071034346 1604142068692 2005177585865 4010355171730 8020710343460