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12116789 = 711571087
BaseRepresentation
bin101110001110…
…001100110101
3211210121002222
4232032030311
511100214124
61111412125
7204663626
oct56161465
924717088
1012116789
116926583
124084045
1326831c9
141875a4d
1510e525e
hexb8e335

12116789 has 8 divisors (see below), whose sum is σ = 12377088. Its totient is φ = 11859120.

The previous prime is 12116773. The next prime is 12116803. The reversal of 12116789 is 98761121.

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 12116789 - 24 = 12116773 is a prime.

It is a Duffinian 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 (12116719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10604 + ... + 11690.

It is an arithmetic number, because the mean of its divisors is an integer number (1547136).

Almost surely, 212116789 is an apocalyptic number.

It is an amenable number.

12116789 is a deficient number, since it is larger than the sum of its proper divisors (260299).

12116789 is a wasteful number, since it uses less digits than its factorization.

12116789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its digits is 6048, while the sum is 35.

The square root of 12116789 is about 3480.9178387316. The cubic root of 12116789 is about 229.6831743582.

It can be divided in two parts, 1211 and 6789, that added together give a cube (8000 = 203).

The spelling of 12116789 in words is "twelve million, one hundred sixteen thousand, seven hundred eighty-nine".

Divisors: 1 71 157 1087 11147 77177 170659 12116789