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191106117441 = 32193853128981
BaseRepresentation
bin1011000111111011001…
…1111110111101000001
3200021021111212122020200
42301332303332331001
511112341131224231
6223443135155413
716543534124151
oct2617663767501
9607244778220
10191106117441
117405846a638
1231055075b69
1315037844c85
14936cc10761
154e87759be6
hex2c7ecfef41

191106117441 has 24 divisors (see below), whose sum is σ = 277799883816. Its totient is φ = 126594385920.

The previous prime is 191106117413. The next prime is 191106117481. The reversal of 191106117441 is 144711601191.

191106117441 is a `hidden beast` number, since 1 + 91 + 10 + 6 + 117 + 441 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22572057600 + 168534059841 = 150240^2 + 410529^2 .

It is not a de Polignac number, because 191106117441 - 222 = 191101923137 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 191106117396 and 191106117405.

It is not an unprimeable number, because it can be changed into a prime (191106117401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417171 + ... + 1546151.

It is an arithmetic number, because the mean of its divisors is an integer number (11574995159).

Almost surely, 2191106117441 is an apocalyptic number.

It is an amenable number.

191106117441 is a deficient number, since it is larger than the sum of its proper divisors (86693766375).

191106117441 is a wasteful number, since it uses less digits than its factorization.

191106117441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130033 (or 130030 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 191106117441 in words is "one hundred ninety-one billion, one hundred six million, one hundred seventeen thousand, four hundred forty-one".

Divisors: 1 3 9 193 579 853 1737 2559 7677 128981 164629 386943 493887 1160829 1481661 24893333 74679999 110020793 224039997 330062379 990187137 21234013049 63702039147 191106117441