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28839456806 = 243335342521
BaseRepresentation
bin11010110110111101…
…110011000000100110
32202102212112012101212
4122312331303000212
5433030400104211
621125413351422
72040445223666
oct326675630046
982385465355
1028839456806
111125a137826
12570a338572
132947b07154
14157826a1a6
15b3bcd438b
hex6b6f73026

28839456806 has 8 divisors (see below), whose sum is σ = 44265212904. Its totient is φ = 14084385840.

The previous prime is 28839456803. The next prime is 28839456809. The reversal of 28839456806 is 60865493882.

It is an interprime number because it is at equal distance from previous prime (28839456803) and next prime (28839456809).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28839456803) by changing a digit.

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, 167671175 + ... + 167671346.

It is an arithmetic number, because the mean of its divisors is an integer number (5533151613).

Almost surely, 228839456806 is an apocalyptic number.

28839456806 is a deficient number, since it is larger than the sum of its proper divisors (15425756098).

28839456806 is a wasteful number, since it uses less digits than its factorization.

28839456806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335342566.

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 28839456806 in words is "twenty-eight billion, eight hundred thirty-nine million, four hundred fifty-six thousand, eight hundred six".

Divisors: 1 2 43 86 335342521 670685042 14419728403 28839456806