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6428064858 = 231071344143
BaseRepresentation
bin1011111110010010…
…00111110001011010
3121120222112112021020
411333021013301122
5101131041033413
62541503423310
7315202435605
oct57711076132
917528475236
106428064858
1127a95252a6
1212b48b4b36
137b5985597
1444d9db33c
152794e1c23
hex17f247c5a

6428064858 has 8 divisors (see below), whose sum is σ = 12856129728. Its totient is φ = 2142688284.

The previous prime is 6428064847. The next prime is 6428064901. The reversal of 6428064858 is 8584608246.

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

6428064858 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6428064858.

It is an unprimeable number.

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, 535672066 + ... + 535672077.

It is an arithmetic number, because the mean of its divisors is an integer number (1607016216).

Almost surely, 26428064858 is an apocalyptic number.

6428064858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6428064858 is a wasteful number, since it uses less digits than its factorization.

6428064858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071344148.

The product of its (nonzero) digits is 2949120, while the sum is 51.

The square root of 6428064858 is about 80175.2134889580. The cubic root of 6428064858 is about 1859.3454414332.

The spelling of 6428064858 in words is "six billion, four hundred twenty-eight million, sixty-four thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 1071344143 2142688286 3214032429 6428064858