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9090909106705 = 54738684719603
BaseRepresentation
bin1000010001001010010001…
…1010000111001000010001
31012012002020002022221102101
42010102210122013020101
52142421140212403310
631200150032120401
71625540126266546
oct204224432071021
935162202287371
109090909106705
112995484211578
121029a67096101
1350c36614671a
14236006630bcd
1510b71e78343a
hex844a4687211

9090909106705 has 8 divisors (see below), whose sum is σ = 11141199245952. Its totient is φ = 7117988406768.

The previous prime is 9090909106703. The next prime is 9090909106711. The reversal of 9090909106705 is 5076019090909.

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 9090909106705 - 21 = 9090909106703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9090909106703) 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, 19342359567 + ... + 19342360036.

It is an arithmetic number, because the mean of its divisors is an integer number (1392649905744).

Almost surely, 29090909106705 is an apocalyptic number.

It is an amenable number.

9090909106705 is a deficient number, since it is larger than the sum of its proper divisors (2050290139247).

9090909106705 is a wasteful number, since it uses less digits than its factorization.

9090909106705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38684719655.

The product of its (nonzero) digits is 1377810, while the sum is 55.

The spelling of 9090909106705 in words is "nine trillion, ninety billion, nine hundred nine million, one hundred six thousand, seven hundred five".

Divisors: 1 5 47 235 38684719603 193423598015 1818181821341 9090909106705