Base | Representation |
---|---|
bin | 10111000111010001… |
… | …11111000111101101 |
3 | 1012000210220221112210 |
4 | 23203220333013231 |
5 | 200403212410200 |
6 | 5411202121033 |
7 | 616336445205 |
oct | 134350770755 |
9 | 35023827483 |
10 | 12409106925 |
11 | 5298687776 |
12 | 24a3950179 |
13 | 1229b44327 |
14 | 85a0b3405 |
15 | 4c9632650 |
hex | 2e3a3f1ed |
12409106925 has 24 divisors (see below), whose sum is σ = 20519731296. Its totient is φ = 6617112640.
The previous prime is 12409106911. The next prime is 12409106977. The reversal of 12409106925 is 52960190421.
It is not a de Polignac number, because 12409106925 - 26 = 12409106861 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701287 + ... + 718763.
It is an arithmetic number, because the mean of its divisors is an integer number (854988804).
Almost surely, 212409106925 is an apocalyptic number.
12409106925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12409106925 is a deficient number, since it is larger than the sum of its proper divisors (8110624371).
12409106925 is a wasteful number, since it uses less digits than its factorization.
12409106925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26957 (or 26952 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 39.
The spelling of 12409106925 in words is "twelve billion, four hundred nine million, one hundred six thousand, nine hundred twenty-five".
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