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12104899 = 113107123
BaseRepresentation
bin101110001011…
…010011000011
3211202222210121
4232023103003
511044324044
61111241111
7204614152
oct56132303
924688717
1012104899
116918654
124079197
13267a981
141871599
1510e1984
hexb8b4c3

12104899 has 4 divisors (see below), whose sum is σ = 12212136. Its totient is φ = 11997664.

The previous prime is 12104863. The next prime is 12104903. The reversal of 12104899 is 99840121.

12104899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99840121 = 791263799.

It is a cyclic number.

It is not a de Polignac number, because 12104899 - 211 = 12102851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12104819) 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, 53449 + ... + 53674.

It is an arithmetic number, because the mean of its divisors is an integer number (3053034).

Almost surely, 212104899 is an apocalyptic number.

12104899 is a deficient number, since it is larger than the sum of its proper divisors (107237).

12104899 is a wasteful number, since it uses less digits than its factorization.

12104899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107236.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12104899 is about 3479.2095366620. The cubic root of 12104899 is about 229.6080217001.

The spelling of 12104899 in words is "twelve million, one hundred four thousand, eight hundred ninety-nine".

Divisors: 1 113 107123 12104899