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11304117091 = 13018688791
BaseRepresentation
bin10101000011100011…
…10010001101100011
31002011210200122110101
422201301302031203
5141122323221331
65105410243231
7550061260411
oct124161621543
932153618411
1011304117091
114880974533
122235886517
1310b1c373a7
147934362b1
15462613061
hex2a1c72363

11304117091 has 4 divisors (see below), whose sum is σ = 11312807184. Its totient is φ = 11295427000.

The previous prime is 11304117067. The next prime is 11304117101. The reversal of 11304117091 is 19071140311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19071140311 = 171121831783.

It is a cyclic number.

It is not a de Polignac number, because 11304117091 - 25 = 11304117059 is a prime.

It is a super-3 number, since 3×113041170913 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304117991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343095 + ... + 4345696.

It is an arithmetic number, because the mean of its divisors is an integer number (2828201796).

Almost surely, 211304117091 is an apocalyptic number.

11304117091 is a deficient number, since it is larger than the sum of its proper divisors (8690093).

11304117091 is an equidigital number, since it uses as much as digits as its factorization.

11304117091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8690092.

The product of its (nonzero) digits is 756, while the sum is 28.

The spelling of 11304117091 in words is "eleven billion, three hundred four million, one hundred seventeen thousand, ninety-one".

Divisors: 1 1301 8688791 11304117091