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67108731213 = 325189121821
BaseRepresentation
bin111110011111111111…
…011111100101001101
320102012220220202201110
4332133333133211031
52044414313344323
650455045002233
74564005542406
oct763777374515
9212186822643
1067108731213
1126508147037
121100a6b3379
136436442b14
143368a349ad
151b2b898793
hexf9ffdf94d

67108731213 has 8 divisors (see below), whose sum is σ = 89834796576. Its totient is φ = 44560910000.

The previous prime is 67108731203. The next prime is 67108731247. The reversal of 67108731213 is 31213780176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67108731213 - 28 = 67108730957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67108731203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44560158 + ... + 44561663.

It is an arithmetic number, because the mean of its divisors is an integer number (11229349572).

Almost surely, 267108731213 is an apocalyptic number.

It is an amenable number.

67108731213 is a deficient number, since it is larger than the sum of its proper divisors (22726065363).

67108731213 is a wasteful number, since it uses less digits than its factorization.

67108731213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89122075.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 67108731213 in words is "sixty-seven billion, one hundred eight million, seven hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 251 753 89121821 267365463 22369577071 67108731213