Base | Representation |
---|---|
bin | 1110100000111… |
… | …00001010111001 |
3 | 22111002112212201 |
4 | 13100130022321 |
5 | 222132001301 |
6 | 20025310201 |
7 | 3005600566 |
oct | 720341271 |
9 | 274075781 |
10 | 121750201 |
11 | 627a7801 |
12 | 34935361 |
13 | 1c2ba751 |
14 | 1225386d |
15 | aa4e201 |
hex | 741c2b9 |
121750201 has 8 divisors (see below), whose sum is σ = 128047104. Its totient is φ = 115536960.
The previous prime is 121750199. The next prime is 121750219. The reversal of 121750201 is 102057121.
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 121750201 - 21 = 121750199 is a prime.
It is a super-2 number, since 2×1217502012 = 29646222887080802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121750241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17920 + ... + 23761.
It is an arithmetic number, because the mean of its divisors is an integer number (16005888).
Almost surely, 2121750201 is an apocalyptic number.
It is an amenable number.
121750201 is a deficient number, since it is larger than the sum of its proper divisors (6296903).
121750201 is a wasteful number, since it uses less digits than its factorization.
121750201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41831.
The product of its (nonzero) digits is 140, while the sum is 19.
The square root of 121750201 is about 11034.0473535326. The cubic root of 121750201 is about 495.6288318044.
The spelling of 121750201 in words is "one hundred twenty-one million, seven hundred fifty thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •