Base | Representation |
---|---|
bin | 101110010100… |
… | …010101011000 |
3 | 211211212120110 |
4 | 232110111120 |
5 | 11102020122 |
6 | 1112124320 |
7 | 205130106 |
oct | 56242530 |
9 | 24755513 |
10 | 12141912 |
11 | 6943442 |
12 | 40966a0 |
13 | 2691783 |
14 | 1880c76 |
15 | 10ec90c |
hex | b94558 |
12141912 has 32 divisors (see below), whose sum is σ = 31953600. Its totient is φ = 3834144.
The previous prime is 12141911. The next prime is 12141919. The reversal of 12141912 is 21914121.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12141911) by changing a digit.
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, 12858 + ... + 13769.
It is an arithmetic number, because the mean of its divisors is an integer number (998550).
Almost surely, 212141912 is an apocalyptic number.
12141912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12141912 is an abundant number, since it is smaller than the sum of its proper divisors (19811688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12141912 is a wasteful number, since it uses less digits than its factorization.
12141912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26655 (or 26651 counting only the distinct ones).
The product of its digits is 144, while the sum is 21.
The square root of 12141912 is about 3484.5246447686. The cubic root of 12141912 is about 229.8418067841.
The spelling of 12141912 in words is "twelve million, one hundred forty-one thousand, nine hundred twelve".
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