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67340740406741 = 371820020010993
BaseRepresentation
bin11110100111110111111001…
…11010010010110111010101
322211102201012222112121200222
433103323330322102313111
532311302314021003431
6355115524205244125
720120131216034324
oct1723737472226725
9284381188477628
1067340740406741
111a50305843228a
127677105863645
132b762875a4069
14128b4487340bb
157bba4944c57b
hex3d3efce92dd5

67340740406741 has 4 divisors (see below), whose sum is σ = 69160760417772. Its totient is φ = 65520720395712.

The previous prime is 67340740406713. The next prime is 67340740406743. The reversal of 67340740406741 is 14760404704376.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47809909209841 + 19530831196900 = 6914471^2 + 4419370^2 .

It is a cyclic number.

It is not a de Polignac number, because 67340740406741 - 218 = 67340740144597 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 (67340740406743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910010005460 + ... + 910010005533.

It is an arithmetic number, because the mean of its divisors is an integer number (17290190104443).

Almost surely, 267340740406741 is an apocalyptic number.

It is an amenable number.

67340740406741 is a deficient number, since it is larger than the sum of its proper divisors (1820020011031).

67340740406741 is a wasteful number, since it uses less digits than its factorization.

67340740406741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820020011030.

The product of its (nonzero) digits is 9483264, while the sum is 53.

The spelling of 67340740406741 in words is "sixty-seven trillion, three hundred forty billion, seven hundred forty million, four hundred six thousand, seven hundred forty-one".

Divisors: 1 37 1820020010993 67340740406741