Base | Representation |
---|---|
bin | 1110100100011… |
… | …01100100000101 |
3 | 22111222010222221 |
4 | 13102031210011 |
5 | 222241332121 |
6 | 20043252341 |
7 | 3012543652 |
oct | 722154405 |
9 | 274863887 |
10 | 122214661 |
11 | 62a94758 |
12 | 34b1a0b1 |
13 | 1c420c8a |
14 | 12334c29 |
15 | aae1b41 |
hex | 748d905 |
122214661 has 8 divisors (see below), whose sum is σ = 125030304. Its totient is φ = 119418000.
The previous prime is 122214647. The next prime is 122214667. The reversal of 122214661 is 166412221.
It is a happy number.
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 122214661 - 217 = 122083589 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 (122214667) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8710 + ... + 17896.
It is an arithmetic number, because the mean of its divisors is an integer number (15628788).
Almost surely, 2122214661 is an apocalyptic number.
It is an amenable number.
122214661 is a deficient number, since it is larger than the sum of its proper divisors (2815643).
122214661 is an equidigital number, since it uses as much as digits as its factorization.
122214661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9491.
The product of its digits is 1152, while the sum is 25.
The square root of 122214661 is about 11055.0739934204. The cubic root of 122214661 is about 496.2582836315.
Adding to 122214661 its reverse (166412221), we get a palindrome (288626882).
The spelling of 122214661 in words is "one hundred twenty-two million, two hundred fourteen thousand, six hundred sixty-one".
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