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71679046342 = 235839523171
BaseRepresentation
bin100001011000001100…
…1110111001011000110
320212000102202211110011
41002300121313023012
52133244313440332
652532350420434
75115162561331
oct1026031671306
9225012684404
1071679046342
1128442a53482
1211a8520171a
1369b42686b7
14367da05618
151ce7c25e47
hex10b06772c6

71679046342 has 4 divisors (see below), whose sum is σ = 107518569516. Its totient is φ = 35839523170.

The previous prime is 71679046297. The next prime is 71679046349. The reversal of 71679046342 is 24364097617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24364097617 = 76132015897.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71679046349) 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 as a sum of consecutive naturals, namely, 17919761584 + ... + 17919761587.

It is an arithmetic number, because the mean of its divisors is an integer number (26879642379).

Almost surely, 271679046342 is an apocalyptic number.

71679046342 is a deficient number, since it is larger than the sum of its proper divisors (35839523174).

71679046342 is a wasteful number, since it uses less digits than its factorization.

71679046342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35839523173.

The product of its (nonzero) digits is 1524096, while the sum is 49.

It can be divided in two parts, 7167 and 9046342, that added together give a palindrome (9053509).

The spelling of 71679046342 in words is "seventy-one billion, six hundred seventy-nine million, forty-six thousand, three hundred forty-two".

Divisors: 1 2 35839523171 71679046342