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71430500005 = 536758516653
BaseRepresentation
bin100001010000110010…
…1101110111010100101
320211101010002100222021
41002201211232322211
52132242202000010
652451551303141
75106054142414
oct1024145567245
9224333070867
1071430500005
1128325722987
1211a15b1aab1
136974914867
1436589c747b
151cd0ecc8da
hex10a196eea5

71430500005 has 16 divisors (see below), whose sum is σ = 85977771264. Its totient is φ = 56970388800.

The previous prime is 71430500003. The next prime is 71430500041. The reversal of 71430500005 is 50000503417.

It is not a de Polignac number, because 71430500005 - 21 = 71430500003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71430500003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10733259 + ... + 10739911.

It is an arithmetic number, because the mean of its divisors is an integer number (5373610704).

Almost surely, 271430500005 is an apocalyptic number.

It is an amenable number.

71430500005 is a deficient number, since it is larger than the sum of its proper divisors (14547271259).

71430500005 is a wasteful number, since it uses less digits than its factorization.

71430500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876.

The product of its (nonzero) digits is 2100, while the sum is 25.

The spelling of 71430500005 in words is "seventy-one billion, four hundred thirty million, five hundred thousand, five".

Divisors: 1 5 367 1835 5851 6653 29255 33265 2147317 2441651 10736585 12208255 38926703 194633515 14286100001 71430500005