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71063853371 = 7192437219251
BaseRepresentation
bin100001000101110111…
…1000101100100111011
320210102120011210100022
41002023233011210323
52131014321301441
652351333001055
75064012533660
oct1021357054473
9223376153308
1071063853371
1128157768935
121193318318b
1369169806a4
143622025a67
151cadc0684b
hex108bbc593b

71063853371 has 16 divisors (see below), whose sum is σ = 85525820160. Its totient is φ = 57682044000.

The previous prime is 71063853359. The next prime is 71063853389. The reversal of 71063853371 is 17335836017.

It is not a de Polignac number, because 71063853371 - 26 = 71063853307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71063853391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214496 + ... + 433746.

It is an arithmetic number, because the mean of its divisors is an integer number (5345363760).

Almost surely, 271063853371 is an apocalyptic number.

71063853371 is a deficient number, since it is larger than the sum of its proper divisors (14461966789).

71063853371 is a wasteful number, since it uses less digits than its factorization.

71063853371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221714.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 71063853371 in words is "seventy-one billion, sixty-three million, eight hundred fifty-three thousand, three hundred seventy-one".

Divisors: 1 7 19 133 2437 17059 46303 219251 324121 1534757 4165769 29160383 534314687 3740202809 10151979053 71063853371