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26830710906 = 234471785151
BaseRepresentation
bin11000111111001111…
…000010100001111010
32120020212201100001120
4120333033002201322
5414422130222111
620154215130110
71636614164646
oct307717024172
976225640046
1026830710906
111041926724a
125249673936
1326b78b9ccc
141427575c26
15a70795406
hex63f3c287a

26830710906 has 8 divisors (see below), whose sum is σ = 53661421824. Its totient is φ = 8943570300.

The previous prime is 26830710889. The next prime is 26830710911. The reversal of 26830710906 is 60901703862.

It is a happy number.

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

26830710906 is an admirable number.

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, 2235892570 + ... + 2235892581.

It is an arithmetic number, because the mean of its divisors is an integer number (6707677728).

Almost surely, 226830710906 is an apocalyptic number.

26830710906 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.

26830710906 is a wasteful number, since it uses less digits than its factorization.

26830710906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471785156.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 26830710906 in words is "twenty-six billion, eight hundred thirty million, seven hundred ten thousand, nine hundred six".

Divisors: 1 2 3 6 4471785151 8943570302 13415355453 26830710906