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12148011 = 321923739
BaseRepresentation
bin101110010101…
…110100101011
3211212011221100
4232111310223
511102214021
61112212443
7205153641
oct56256453
924764840
1012148011
116947a87
12409a123
132694495
141883191
1510ee626
hexb95d2b

12148011 has 18 divisors (see below), whose sum is σ = 18524220. Its totient is φ = 7670376.

The previous prime is 12148007. The next prime is 12148021. The reversal of 12148011 is 11084121.

It is not a de Polignac number, because 12148011 - 22 = 12148007 is a prime.

It is a super-2 number, since 2×121480112 = 295148342512242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12148021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1380 + ... + 5118.

Almost surely, 212148011 is an apocalyptic number.

12148011 is a deficient number, since it is larger than the sum of its proper divisors (6376209).

12148011 is a wasteful number, since it uses less digits than its factorization.

12148011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783 (or 3761 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 12148011 is about 3485.3996901360. The cubic root of 12148011 is about 229.8802842642.

The spelling of 12148011 in words is "twelve million, one hundred forty-eight thousand, eleven".

Divisors: 1 3 9 19 57 171 361 1083 3249 3739 11217 33651 71041 213123 639369 1349779 4049337 12148011