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71134964481 = 3731914924419
BaseRepresentation
bin100001000111111111…
…0010110101100000001
320210121111222121110010
41002033332112230001
52131141022330411
652402353055133
75065535136000
oct1021776265401
9223544877403
1071134964481
1128193918749
1211952b574a9
13692861ab79
14362b656c37
151cb50a17a6
hex108ff96b01

71134964481 has 64 divisors (see below), whose sum is σ = 117216000000. Its totient is φ = 38249136576.

The previous prime is 71134964471. The next prime is 71134964491. The reversal of 71134964481 is 18446943117.

It is an interprime number because it is at equal distance from previous prime (71134964471) and next prime (71134964491).

It is not a de Polignac number, because 71134964481 - 210 = 71134963457 is a prime.

It is a super-2 number, since 2×711349644812 (a number of 23 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 71134964481.

It is not an unprimeable number, because it can be changed into a prime (71134964471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2900890 + ... + 2925308.

It is an arithmetic number, because the mean of its divisors is an integer number (1831500000).

Almost surely, 271134964481 is an apocalyptic number.

It is an amenable number.

71134964481 is a deficient number, since it is larger than the sum of its proper divisors (46081035519).

71134964481 is a wasteful number, since it uses less digits than its factorization.

71134964481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24611 (or 24597 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The spelling of 71134964481 in words is "seventy-one billion, one hundred thirty-four million, nine hundred sixty-four thousand, four hundred eighty-one".

Divisors: 1 3 7 19 21 49 57 133 147 149 343 399 447 931 1029 1043 2793 2831 3129 6517 7301 8493 19551 19817 21903 24419 51107 59451 73257 138719 153321 170933 416157 463961 512799 971033 1196531 1391883 2913099 3247727 3589593 3638431 8375717 9743181 10915293 22734089 25127151 25469017 68202267 69130189 76407051 159138623 178283119 207390567 477415869 483911323 534849357 1247981833 1451733969 3387379261 3743945499 10162137783 23711654827 71134964481