Base | Representation |
---|---|
bin | 1110011011110… |
… | …10000100011101 |
3 | 22102211211002110 |
4 | 13031322010131 |
5 | 221444224422 |
6 | 20003144233 |
7 | 3000134046 |
oct | 715720435 |
9 | 272754073 |
10 | 121086237 |
11 | 62393978 |
12 | 34675079 |
13 | 1c11747c |
14 | 1211d8cd |
15 | a96c60c |
hex | 737a11d |
121086237 has 32 divisors (see below), whose sum is σ = 177205248. Its totient is φ = 73313856.
The previous prime is 121086233. The next prime is 121086239. The reversal of 121086237 is 732680121.
It is not a de Polignac number, because 121086237 - 22 = 121086233 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121086233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109228 + ... + 110330.
It is an arithmetic number, because the mean of its divisors is an integer number (5537664).
Almost surely, 2121086237 is an apocalyptic number.
It is an amenable number.
121086237 is a deficient number, since it is larger than the sum of its proper divisors (56119011).
121086237 is a wasteful number, since it uses less digits than its factorization.
121086237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1209.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 121086237 is about 11003.9191654610. The cubic root of 121086237 is about 494.7262193805.
The spelling of 121086237 in words is "one hundred twenty-one million, eighty-six thousand, two hundred thirty-seven".
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