Base | Representation |
---|---|
bin | 1110011100000… |
… | …00111010000101 |
3 | 22102220020111210 |
4 | 13032000322011 |
5 | 222001123440 |
6 | 20003522033 |
7 | 3000311520 |
oct | 716007205 |
9 | 272806453 |
10 | 121114245 |
11 | 62402a1a |
12 | 34689319 |
13 | 1c127145 |
14 | 12129bb7 |
15 | a975a80 |
hex | 7380e85 |
121114245 has 32 divisors (see below), whose sum is σ = 222824448. Its totient is φ = 55027008.
The previous prime is 121114243. The next prime is 121114267. The reversal of 121114245 is 542411121.
It is not a de Polignac number, because 121114245 - 21 = 121114243 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121114243) 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, 14082 + ... + 20988.
It is an arithmetic number, because the mean of its divisors is an integer number (6963264).
Almost surely, 2121114245 is an apocalyptic number.
121114245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121114245 is a deficient number, since it is larger than the sum of its proper divisors (101710203).
121114245 is a wasteful number, since it uses less digits than its factorization.
121114245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7089.
The product of its digits is 320, while the sum is 21.
The square root of 121114245 is about 11005.1917293612. The cubic root of 121114245 is about 494.7643608574.
Adding to 121114245 its reverse (542411121), we get a palindrome (663525366).
The spelling of 121114245 in words is "one hundred twenty-one million, one hundred fourteen thousand, two hundred forty-five".
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