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11306685289 = 13678271167
BaseRepresentation
bin10101000011110111…
…00101001101101001
31002011222112010100211
422201323211031221
5141124002412124
65105541301121
7550122145024
oct124173451551
932158463324
1011306685289
114882369009
1222367047a1
1310b2626333
147939041bb
1546296de94
hex2a1ee5369

11306685289 has 4 divisors (see below), whose sum is σ = 11314957824. Its totient is φ = 11298412756.

The previous prime is 11306685287. The next prime is 11306685301. The reversal of 11306685289 is 98258660311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11306685289 - 21 = 11306685287 is a prime.

It is a super-2 number, since 2×113066852892 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11306685287) 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, 4134217 + ... + 4136950.

It is an arithmetic number, because the mean of its divisors is an integer number (2828739456).

Almost surely, 211306685289 is an apocalyptic number.

It is an amenable number.

11306685289 is a deficient number, since it is larger than the sum of its proper divisors (8272535).

11306685289 is an equidigital number, since it uses as much as digits as its factorization.

11306685289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272534.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 11306685289 in words is "eleven billion, three hundred six million, six hundred eighty-five thousand, two hundred eighty-nine".

Divisors: 1 1367 8271167 11306685289