Base | Representation |
---|---|
bin | 1110100000011… |
… | …11001110101011 |
3 | 22110222212011112 |
4 | 13100033032223 |
5 | 222123302240 |
6 | 20024220535 |
7 | 3005260214 |
oct | 720171653 |
9 | 273885145 |
10 | 121697195 |
11 | 627709a4 |
12 | 3490a74b |
13 | 1c29c599 |
14 | 1223c40b |
15 | aa3d665 |
hex | 740f3ab |
121697195 has 16 divisors (see below), whose sum is σ = 153213120. Its totient is φ = 92668800.
The previous prime is 121697189. The next prime is 121697231. The reversal of 121697195 is 591796121.
It is not a de Polignac number, because 121697195 - 26 = 121697131 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4385 + ... + 16205.
It is an arithmetic number, because the mean of its divisors is an integer number (9575820).
Almost surely, 2121697195 is an apocalyptic number.
121697195 is a deficient number, since it is larger than the sum of its proper divisors (31515925).
121697195 is a wasteful number, since it uses less digits than its factorization.
121697195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11926.
The product of its digits is 34020, while the sum is 41.
The square root of 121697195 is about 11031.6451628939. The cubic root of 121697195 is about 495.5568945780.
The spelling of 121697195 in words is "one hundred twenty-one million, six hundred ninety-seven thousand, one hundred ninety-five".
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