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68986443327 = 387726220617
BaseRepresentation
bin100000000111111101…
…0011001011000111111
320121001210011102111120
41000033322121120333
52112241012141302
651405242522023
74661356043634
oct1001772313077
9217053142446
1068986443327
1127291059a2a
1211453506313
136675471a89
1434a617a18b
151bdb6529bc
hex100fe9963f

68986443327 has 8 divisors (see below), whose sum is σ = 92086810416. Its totient is φ = 45938519232.

The previous prime is 68986443287. The next prime is 68986443373. The reversal of 68986443327 is 72334468986.

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

It is not a de Polignac number, because 68986443327 - 26 = 68986443263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68986448327) 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, 13107678 + ... + 13112939.

It is an arithmetic number, because the mean of its divisors is an integer number (11510851302).

Almost surely, 268986443327 is an apocalyptic number.

68986443327 is a deficient number, since it is larger than the sum of its proper divisors (23100367089).

68986443327 is a wasteful number, since it uses less digits than its factorization.

68986443327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26221497.

The product of its digits is 41803776, while the sum is 60.

The spelling of 68986443327 in words is "sixty-eight billion, nine hundred eighty-six million, four hundred forty-three thousand, three hundred twenty-seven".

Divisors: 1 3 877 2631 26220617 78661851 22995481109 68986443327