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80754660743 = 313258002111
BaseRepresentation
bin100101100110101011…
…0100101010110000111
321201102221010210220212
41023031112211112013
52310341143120433
6101033112350035
75556114201461
oct1131526452607
9251387123825
1080754660743
113127a99a949
12137986a531b
1377cc5a1b33
143ca10a1131
15217988bd48
hex12cd5a5587

80754660743 has 4 divisors (see below), whose sum is σ = 81012663168. Its totient is φ = 80496658320.

The previous prime is 80754660733. The next prime is 80754660769. The reversal of 80754660743 is 34706645708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80754660743 - 28 = 80754660487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80754660691 and 80754660700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80754660713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129000743 + ... + 129001368.

It is an arithmetic number, because the mean of its divisors is an integer number (20253165792).

Almost surely, 280754660743 is an apocalyptic number.

80754660743 is a deficient number, since it is larger than the sum of its proper divisors (258002425).

80754660743 is a wasteful number, since it uses less digits than its factorization.

80754660743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258002424.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 80754660743 in words is "eighty billion, seven hundred fifty-four million, six hundred sixty thousand, seven hundred forty-three".

Divisors: 1 313 258002111 80754660743