Base | Representation |
---|---|
bin | 1110100101010… |
… | …00000010111001 |
3 | 22112011122210021 |
4 | 13102220002321 |
5 | 222303320004 |
6 | 20045450441 |
7 | 3013505125 |
oct | 722500271 |
9 | 275148707 |
10 | 122323129 |
11 | 630591a5 |
12 | 34b70a21 |
13 | 1c45b466 |
14 | 12362585 |
15 | ab13d54 |
hex | 74a80b9 |
122323129 has 2 divisors, whose sum is σ = 122323130. Its totient is φ = 122323128.
The previous prime is 122323127. The next prime is 122323133. The reversal of 122323129 is 921323221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 117679104 + 4644025 = 10848^2 + 2155^2 .
It is a cyclic number.
It is not a de Polignac number, because 122323129 - 21 = 122323127 is a prime.
Together with 122323127, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (122323127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61161564 + 61161565.
It is an arithmetic number, because the mean of its divisors is an integer number (61161565).
Almost surely, 2122323129 is an apocalyptic number.
It is an amenable number.
122323129 is a deficient number, since it is larger than the sum of its proper divisors (1).
122323129 is an equidigital number, since it uses as much as digits as its factorization.
122323129 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1296, while the sum is 25.
The square root of 122323129 is about 11059.9787070319. The cubic root of 122323129 is about 496.4050533299.
The spelling of 122323129 in words is "one hundred twenty-two million, three hundred twenty-three thousand, one hundred twenty-nine".
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