Base | Representation |
---|---|
bin | 1110100011100… |
… | …01101010111101 |
3 | 22111202100021112 |
4 | 13101301222331 |
5 | 222224203123 |
6 | 20041011405 |
7 | 3011556611 |
oct | 721615275 |
9 | 274670245 |
10 | 122100413 |
11 | 62a16936 |
12 | 34a83b65 |
13 | 1c3b0c86 |
14 | 12305341 |
15 | aabcd78 |
hex | 7471abd |
122100413 has 4 divisors (see below), whose sum is σ = 126039168. Its totient is φ = 118161660.
The previous prime is 122100397. The next prime is 122100427. The reversal of 122100413 is 314001221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122100413 - 24 = 122100397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122100493) 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, 1969331 + ... + 1969392.
It is an arithmetic number, because the mean of its divisors is an integer number (31509792).
Almost surely, 2122100413 is an apocalyptic number.
It is an amenable number.
122100413 is a deficient number, since it is larger than the sum of its proper divisors (3938755).
122100413 is an equidigital number, since it uses as much as digits as its factorization.
122100413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3938754.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 122100413 is about 11049.9055652073. The cubic root of 122100413 is about 496.1035989916.
Adding to 122100413 its reverse (314001221), we get a palindrome (436101634).
The spelling of 122100413 in words is "one hundred twenty-two million, one hundred thousand, four hundred thirteen".
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