Base | Representation |
---|---|
bin | 1110011101000… |
… | …01000110011011 |
3 | 22110010221101120 |
4 | 13032201012123 |
5 | 222014333412 |
6 | 20010420323 |
7 | 3001401123 |
oct | 716410633 |
9 | 273127346 |
10 | 121246107 |
11 | 62492aa4 |
12 | 347316a3 |
13 | 1c172178 |
14 | 12161c83 |
15 | a99eb8c |
hex | 73a119b |
121246107 has 4 divisors (see below), whose sum is σ = 161661480. Its totient is φ = 80830736.
The previous prime is 121246063. The next prime is 121246109. The reversal of 121246107 is 701642121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 121246107 - 26 = 121246043 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121246109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20207682 + ... + 20207687.
It is an arithmetic number, because the mean of its divisors is an integer number (40415370).
Almost surely, 2121246107 is an apocalyptic number.
121246107 is a deficient number, since it is larger than the sum of its proper divisors (40415373).
121246107 is an equidigital number, since it uses as much as digits as its factorization.
121246107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40415372.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 121246107 is about 11011.1809993297. The cubic root of 121246107 is about 494.9438524214.
Adding to 121246107 its reverse (701642121), we get a palindrome (822888228).
The spelling of 121246107 in words is "one hundred twenty-one million, two hundred forty-six thousand, one hundred seven".
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