Base | Representation |
---|---|
bin | 101110001111… |
… | …000000011111 |
3 | 211210202122102 |
4 | 232033000133 |
5 | 11100320340 |
6 | 1111435315 |
7 | 205006361 |
oct | 56170037 |
9 | 24722572 |
10 | 12120095 |
11 | 6929009 |
12 | 4085b3b |
13 | 2684870 |
14 | 1876d31 |
15 | 10e6215 |
hex | b8f01f |
12120095 has 16 divisors (see below), whose sum is σ = 15758400. Its totient is φ = 8895744.
The previous prime is 12120091. The next prime is 12120179. The reversal of 12120095 is 59002121.
It is not a de Polignac number, because 12120095 - 22 = 12120091 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120091) 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, 12467 + ... + 13403.
It is an arithmetic number, because the mean of its divisors is an integer number (984900).
Almost surely, 212120095 is an apocalyptic number.
12120095 is a deficient number, since it is larger than the sum of its proper divisors (3638305).
12120095 is a wasteful number, since it uses less digits than its factorization.
12120095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1154.
The product of its (nonzero) digits is 180, while the sum is 20.
The square root of 12120095 is about 3481.3926810976. The cubic root of 12120095 is about 229.7040617271.
The spelling of 12120095 in words is "twelve million, one hundred twenty thousand, ninety-five".
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