Base | Representation |
---|---|
bin | 101110010101… |
… | …000100010000 |
3 | 211212000200120 |
4 | 232111010100 |
5 | 11102114122 |
6 | 1112150240 |
7 | 205141623 |
oct | 56250420 |
9 | 24760616 |
10 | 12144912 |
11 | 694571a |
12 | 4098380 |
13 | 2692c50 |
14 | 1881dba |
15 | 10ed75c |
hex | b95110 |
12144912 has 40 divisors (see below), whose sum is σ = 33789504. Its totient is φ = 3736704.
The previous prime is 12144893. The next prime is 12144929. The reversal of 12144912 is 21944121.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a nialpdrome in base 16.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9108 + ... + 10355.
Almost surely, 212144912 is an apocalyptic number.
12144912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12144912 is an abundant number, since it is smaller than the sum of its proper divisors (21644592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12144912 is a wasteful number, since it uses less digits than its factorization.
12144912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19487 (or 19481 counting only the distinct ones).
The product of its digits is 576, while the sum is 24.
The square root of 12144912 is about 3484.9550929675. The cubic root of 12144912 is about 229.8607348475.
The spelling of 12144912 in words is "twelve million, one hundred forty-four thousand, nine hundred twelve".
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