Base | Representation |
---|---|
bin | 1110101001000… |
… | …10000111011010 |
3 | 22120010001122211 |
4 | 13110202013122 |
5 | 222420320010 |
6 | 20104305334 |
7 | 3020656633 |
oct | 724420732 |
9 | 276101584 |
10 | 122823130 |
11 | 6336a921 |
12 | 3517224a |
13 | 1c5a4c11 |
14 | 1245288a |
15 | abb208a |
hex | 75221da |
122823130 has 16 divisors (see below), whose sum is σ = 234086760. Its totient is φ = 46239232.
The previous prime is 122823089. The next prime is 122823131. The reversal of 122823130 is 31328221.
It can be written as a sum of positive squares in 4 ways, for example, as 122699929 + 123201 = 11077^2 + 351^2 .
It is not an unprimeable number, because it can be changed into a prime (122823131) 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 7 ways as a sum of consecutive naturals, for example, 361075 + ... + 361414.
Almost surely, 2122823130 is an apocalyptic number.
122823130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122823130 is a deficient number, since it is larger than the sum of its proper divisors (111263630).
122823130 is a wasteful number, since it uses less digits than its factorization.
122823130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722513.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 122823130 is about 11082.5597223746. The cubic root of 122823130 is about 497.0804928014.
The spelling of 122823130 in words is "one hundred twenty-two million, eight hundred twenty-three thousand, one hundred thirty".
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