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71694534886 = 2133138809847
BaseRepresentation
bin100001011000101010…
…0111100100011100110
320212001111220201201221
41002301110330203212
52133312300104021
652534102410554
75115441330412
oct1026124744346
9225044821657
1071694534886
1128450772227
1211a8a430a5a
1369b752c510
143681ab7d42
151ce9285241
hex10b153c8e6

71694534886 has 16 divisors (see below), whose sum is σ = 116184275424. Its totient is φ = 32984063424.

The previous prime is 71694534883. The next prime is 71694534917. The reversal of 71694534886 is 68843549617.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71694534881) 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, 4396786 + ... + 4413061.

It is an arithmetic number, because the mean of its divisors is an integer number (7261517214).

Almost surely, 271694534886 is an apocalyptic number.

71694534886 is a deficient number, since it is larger than the sum of its proper divisors (44489740538).

71694534886 is a wasteful number, since it uses less digits than its factorization.

71694534886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8810175.

The product of its digits is 34836480, while the sum is 61.

The spelling of 71694534886 in words is "seventy-one billion, six hundred ninety-four million, five hundred thirty-four thousand, eight hundred eighty-six".

Divisors: 1 2 13 26 313 626 4069 8138 8809847 17619694 114528011 229056022 2757482111 5514964222 35847267443 71694534886