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12310145 = 58329663
BaseRepresentation
bin101110111101…
…011010000001
3212011102100022
4232331122001
511122411040
61115503225
7206430431
oct56753201
925142308
1012310145
116a48881
124157b15
132720213
1418c62c1
1511326b5
hexbbd681

12310145 has 8 divisors (see below), whose sum is σ = 14950656. Its totient is φ = 9729136.

The previous prime is 12310121. The next prime is 12310147. The reversal of 12310145 is 54101321.

12310145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12310145 - 28 = 12309889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310147) 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, 14417 + ... + 15246.

It is an arithmetic number, because the mean of its divisors is an integer number (1868832).

Almost surely, 212310145 is an apocalyptic number.

It is an amenable number.

12310145 is a deficient number, since it is larger than the sum of its proper divisors (2640511).

12310145 is an equidigital number, since it uses as much as digits as its factorization.

12310145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29751.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12310145 is about 3508.5816222514. The cubic root of 12310145 is about 230.8984705274.

Adding to 12310145 its reverse (54101321), we get a palindrome (66411466).

The spelling of 12310145 in words is "twelve million, three hundred ten thousand, one hundred forty-five".

Divisors: 1 5 83 415 29663 148315 2462029 12310145