Base | Representation |
---|---|
bin | 101110001111… |
… | …000001100100 |
3 | 211210202201222 |
4 | 232033001210 |
5 | 11100321124 |
6 | 1111435512 |
7 | 205006520 |
oct | 56170144 |
9 | 24722658 |
10 | 12120164 |
11 | 6929071 |
12 | 4085b98 |
13 | 26848c4 |
14 | 1876d80 |
15 | 10e625e |
hex | b8f064 |
12120164 has 24 divisors (see below), whose sum is σ = 24897600. Its totient is φ = 5053536.
The previous prime is 12120091. The next prime is 12120179. The reversal of 12120164 is 46102121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 6885.
It is an arithmetic number, because the mean of its divisors is an integer number (1037400).
Almost surely, 212120164 is an apocalyptic number.
12120164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12120164 is an abundant number, since it is smaller than the sum of its proper divisors (12777436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12120164 is a wasteful number, since it uses less digits than its factorization.
12120164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11747 (or 11745 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 12120164 is about 3481.4025909107. The cubic root of 12120164 is about 229.7044976299.
Adding to 12120164 its reverse (46102121), we get a palindrome (58222285).
It can be divided in two parts, 121 and 20164, that multiplied together give a square (2439844 = 15622).
The spelling of 12120164 in words is "twelve million, one hundred twenty thousand, one hundred sixty-four".
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