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9091919109093 = 33781909181163
BaseRepresentation
bin1000010001001110000010…
…0110111101101111100101
31012012011211110211101020020
42010103200212331233211
52142430222242442333
631200434152025353
71625604142210122
oct204234046755745
935164743741206
109091919109093
112995952347297
12102a0a9392259
1350c497476582
142360a0823749
1510b77d28d3b3
hex844e09bdbe5

9091919109093 has 8 divisors (see below), whose sum is σ = 12450195536928. Its totient is φ = 5897461043664.

The previous prime is 9091919109029. The next prime is 9091919109109. The reversal of 9091919109093 is 3909019191909.

9091919109093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9091919109093 - 26 = 9091919109029 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9091919179093) 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, 40954590471 + ... + 40954590692.

It is an arithmetic number, because the mean of its divisors is an integer number (1556274442116).

Almost surely, 29091919109093 is an apocalyptic number.

It is an amenable number.

9091919109093 is a deficient number, since it is larger than the sum of its proper divisors (3358276427835).

9091919109093 is a wasteful number, since it uses less digits than its factorization.

9091919109093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81909181203.

The product of its (nonzero) digits is 1594323, while the sum is 60.

The spelling of 9091919109093 in words is "nine trillion, ninety-one billion, nine hundred nineteen million, one hundred nine thousand, ninety-three".

Divisors: 1 3 37 111 81909181163 245727543489 3030639703031 9091919109093