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71040627859 = 317397564491
BaseRepresentation
bin100001000101001011…
…0011111010010010011
320210100221110210221011
41002022112133102103
52130442400042414
652345143111351
75063311242055
oct1021226372223
9223327423834
1071040627859
11281456451a3
1211927442557
136911c0b096
14361ccdb8d5
151cabb69dc4
hex108a59f493

71040627859 has 8 divisors (see below), whose sum is σ = 71444365488. Its totient is φ = 70638020640.

The previous prime is 71040627851. The next prime is 71040627941. The reversal of 71040627859 is 95872604017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71040627859 - 23 = 71040627851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71040627851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156397 + ... + 408094.

It is an arithmetic number, because the mean of its divisors is an integer number (8930545686).

Almost surely, 271040627859 is an apocalyptic number.

71040627859 is a deficient number, since it is larger than the sum of its proper divisors (403737629).

71040627859 is a wasteful number, since it uses less digits than its factorization.

71040627859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565205.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 71040627859 in words is "seventy-one billion, forty million, six hundred twenty-seven thousand, eight hundred fifty-nine".

Divisors: 1 317 397 125849 564491 178943647 224102927 71040627859