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12148105 = 56736263
BaseRepresentation
bin101110010101…
…110110001001
3211212012001211
4232111312021
511102214410
61112213121
7205154134
oct56256611
924765054
1012148105
116948062
12409a1a1
132694538
14188321b
1510ee68a
hexb95d89

12148105 has 8 divisors (see below), whose sum is σ = 14795712. Its totient is φ = 9573168.

The previous prime is 12148093. The next prime is 12148121. The reversal of 12148105 is 50184121.

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 12148105 - 213 = 12139913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 17797 + ... + 18466.

It is an arithmetic number, because the mean of its divisors is an integer number (1849464).

Almost surely, 212148105 is an apocalyptic number.

It is an amenable number.

12148105 is a deficient number, since it is larger than the sum of its proper divisors (2647607).

12148105 is an equidigital number, since it uses as much as digits as its factorization.

12148105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36335.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 12148105 is about 3485.4131749335. The cubic root of 12148105 is about 229.8808771923.

The spelling of 12148105 in words is "twelve million, one hundred forty-eight thousand, one hundred five".

Divisors: 1 5 67 335 36263 181315 2429621 12148105