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71472579694 = 2831373142757
BaseRepresentation
bin100001010010000011…
…0010000010001101110
320211111001021020110021
41002210012100101232
52132333440022234
652500053232354
75110104621625
oct1024406202156
9224431236407
1071472579694
1128347453a8a
1211a280326ba
136980558b99
14366041c6bc
151cd4a409b4
hex10a419046e

71472579694 has 16 divisors (see below), whose sum is σ = 109292552208. Its totient is φ = 35048014912.

The previous prime is 71472579683. The next prime is 71472579709. The reversal of 71472579694 is 49697527417.

It is a super-2 number, since 2×714725796942 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548637 + ... + 1594120.

It is an arithmetic number, because the mean of its divisors is an integer number (6830784513).

Almost surely, 271472579694 is an apocalyptic number.

71472579694 is a deficient number, since it is larger than the sum of its proper divisors (37819972514).

71472579694 is a wasteful number, since it uses less digits than its factorization.

71472579694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142979.

The product of its digits is 26671680, while the sum is 61.

The spelling of 71472579694 in words is "seventy-one billion, four hundred seventy-two million, five hundred seventy-nine thousand, six hundred ninety-four".

Divisors: 1 2 83 137 166 274 11371 22742 3142757 6285514 260848831 430557709 521697662 861115418 35736289847 71472579694