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71442896089 = 2913118805711
BaseRepresentation
bin100001010001001010…
…1000001010011011001
320211101222102011012111
41002202111001103121
52132303340133324
652453113112321
75106264411535
oct1024225012331
9224358364174
1071442896089
112833171a284
1211a1a0b86a1
136977364c16
14365a4d2bc5
151cd212a794
hex10a25414d9

71442896089 has 8 divisors (see below), whose sum is σ = 74470619520. Its totient is φ = 68452784400.

The previous prime is 71442896051. The next prime is 71442896099. The reversal of 71442896089 is 98069824417.

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 71442896089 - 29 = 71442895577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71442896099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9399057 + ... + 9406654.

It is an arithmetic number, because the mean of its divisors is an integer number (9308827440).

Almost surely, 271442896089 is an apocalyptic number.

It is an amenable number.

71442896089 is a deficient number, since it is larger than the sum of its proper divisors (3027723431).

71442896089 is a wasteful number, since it uses less digits than its factorization.

71442896089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18805871.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 71442896089 in words is "seventy-one billion, four hundred forty-two million, eight hundred ninety-six thousand, eighty-nine".

Divisors: 1 29 131 3799 18805711 545365619 2463548141 71442896089