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67729130673 = 3349491131749
BaseRepresentation
bin111111000100111110…
…001000010010110001
320110211011022022210020
4333010332020102301
52102202124140143
651040410154053
74615251053241
oct770476102261
9213734268706
1067729130673
11267a6368366
1211162422929
136504b318a9
1433c71abb21
151b66095883
hexfc4f884b1

67729130673 has 16 divisors (see below), whose sum is σ = 90749400000. Its totient is φ = 44931337920.

The previous prime is 67729130663. The next prime is 67729130681. The reversal of 67729130673 is 37603192776.

67729130673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67729130673 - 210 = 67729129649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67729130663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448203 + ... + 579951.

It is an arithmetic number, because the mean of its divisors is an integer number (5671837500).

Almost surely, 267729130673 is an apocalyptic number.

It is an amenable number.

67729130673 is a deficient number, since it is larger than the sum of its proper divisors (23020269327).

67729130673 is a wasteful number, since it uses less digits than its factorization.

67729130673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132592.

The product of its (nonzero) digits is 2000376, while the sum is 51.

The spelling of 67729130673 in words is "sixty-seven billion, seven hundred twenty-nine million, one hundred thirty thousand, six hundred seventy-three".

Divisors: 1 3 349 491 1047 1473 131749 171359 395247 514077 45980401 64688759 137941203 194066277 22576376891 67729130673