Base | Representation |
---|---|
bin | 110001001101… |
… | …101011100100 |
3 | 220021102222020 |
4 | 301031223210 |
5 | 11300313332 |
6 | 1140303140 |
7 | 214441341 |
oct | 61155344 |
9 | 26242866 |
10 | 12901092 |
11 | 7311866 |
12 | 43a1ab0 |
13 | 28991a9 |
14 | 19db7c8 |
15 | 11ec82c |
hex | c4dae4 |
12901092 has 12 divisors (see below), whose sum is σ = 30102576. Its totient is φ = 4300360.
The previous prime is 12901081. The next prime is 12901093. The reversal of 12901092 is 29010921.
12901092 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (12901093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537534 + ... + 537557.
It is an arithmetic number, because the mean of its divisors is an integer number (2508548).
Almost surely, 212901092 is an apocalyptic number.
12901092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12901092 is an abundant number, since it is smaller than the sum of its proper divisors (17201484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12901092 is a wasteful number, since it uses less digits than its factorization.
12901092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1075098 (or 1075096 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 12901092 is about 3591.8090149672. The cubic root of 12901092 is about 234.5356274188.
The spelling of 12901092 in words is "twelve million, nine hundred one thousand, ninety-two".
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