Base | Representation |
---|---|
bin | 1110011111111… |
… | …11110111110101 |
3 | 22110212122212211 |
4 | 13033333313311 |
5 | 222114244133 |
6 | 20023013421 |
7 | 3004605634 |
oct | 717776765 |
9 | 273778784 |
10 | 121634293 |
11 | 62728710 |
12 | 3489a271 |
13 | 1c279a71 |
14 | 1222351b |
15 | aa29bcd |
hex | 73ffdf5 |
121634293 has 8 divisors (see below), whose sum is σ = 132805440. Its totient is φ = 110482080.
The previous prime is 121634291. The next prime is 121634309. The reversal of 121634293 is 392436121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121634293 - 21 = 121634291 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121634291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10993 + ... + 19081.
It is an arithmetic number, because the mean of its divisors is an integer number (16600680).
Almost surely, 2121634293 is an apocalyptic number.
It is an amenable number.
121634293 is a deficient number, since it is larger than the sum of its proper divisors (11171147).
121634293 is a wasteful number, since it uses less digits than its factorization.
121634293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9467.
The product of its digits is 7776, while the sum is 31.
The square root of 121634293 is about 11028.7938143752. The cubic root of 121634293 is about 495.4714998628.
The spelling of 121634293 in words is "one hundred twenty-one million, six hundred thirty-four thousand, two hundred ninety-three".
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