Base | Representation |
---|---|
bin | 1110100110001… |
… | …01110101000010 |
3 | 22112101212010112 |
4 | 13103011311002 |
5 | 222321220442 |
6 | 20052231322 |
7 | 3014523602 |
oct | 723056502 |
9 | 275355115 |
10 | 122445122 |
11 | 63131918 |
12 | 3500b542 |
13 | 1c4a1b47 |
14 | 12394c02 |
15 | ab3a082 |
hex | 74c5d42 |
122445122 has 8 divisors (see below), whose sum is σ = 184131516. Its totient is φ = 61067952.
The previous prime is 122445121. The next prime is 122445131. The reversal of 122445122 is 221544221.
It can be written as a sum of positive squares in 2 ways, for example, as 122301481 + 143641 = 11059^2 + 379^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (122445121) 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 3 ways as a sum of consecutive naturals, for example, 76313 + ... + 77900.
Almost surely, 2122445122 is an apocalyptic number.
122445122 is a deficient number, since it is larger than the sum of its proper divisors (61686394).
122445122 is a wasteful number, since it uses less digits than its factorization.
122445122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154612.
The product of its digits is 1280, while the sum is 23.
The square root of 122445122 is about 11065.4923975393. The cubic root of 122445122 is about 496.5700202821.
Adding to 122445122 its reverse (221544221), we get a palindrome (343989343).
Subtracting 122445122 from its reverse (221544221), we obtain a palindrome (99099099).
The spelling of 122445122 in words is "one hundred twenty-two million, four hundred forty-five thousand, one hundred twenty-two".
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