Search a number
-
+
12119345 = 57714877
BaseRepresentation
bin101110001110…
…110100110001
3211210201121122
4232032310301
511100304340
61111432025
7205004240
oct56166461
924721548
1012119345
116928497
124085615
132684414
141876957
1510e5db5
hexb8ed31

12119345 has 16 divisors (see below), whose sum is σ = 16858368. Its totient is φ = 8191680.

The previous prime is 12119339. The next prime is 12119347. The reversal of 12119345 is 54391121.

It is not a de Polignac number, because 12119345 - 24 = 12119329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12119347) 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 15 ways as a sum of consecutive naturals, for example, 47 + ... + 4923.

It is an arithmetic number, because the mean of its divisors is an integer number (1053648).

Almost surely, 212119345 is an apocalyptic number.

It is an amenable number.

12119345 is a deficient number, since it is larger than the sum of its proper divisors (4739023).

12119345 is an equidigital number, since it uses as much as digits as its factorization.

12119345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960.

The product of its digits is 1080, while the sum is 26.

The square root of 12119345 is about 3481.2849639178. The cubic root of 12119345 is about 229.6993235464.

The spelling of 12119345 in words is "twelve million, one hundred nineteen thousand, three hundred forty-five".

Divisors: 1 5 7 35 71 355 497 2485 4877 24385 34139 170695 346267 1731335 2423869 12119345