Base | Representation |
---|---|
bin | 1110100011110… |
… | …11111001011111 |
3 | 22111211110202000 |
4 | 13101323321133 |
5 | 222232023203 |
6 | 20041533343 |
7 | 3012123003 |
oct | 721737137 |
9 | 274743660 |
10 | 122142303 |
11 | 62a45358 |
12 | 34aa4253 |
13 | 1c3c706a |
14 | 12316703 |
15 | aaca4a3 |
hex | 747be5f |
122142303 has 32 divisors (see below), whose sum is σ = 184632000. Its totient is φ = 79792128.
The previous prime is 122142301. The next prime is 122142323. The reversal of 122142303 is 303241221.
It is not a de Polignac number, because 122142303 - 21 = 122142301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122142301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390075 + ... + 390387.
It is an arithmetic number, because the mean of its divisors is an integer number (5769750).
Almost surely, 2122142303 is an apocalyptic number.
122142303 is a deficient number, since it is larger than the sum of its proper divisors (62489697).
122142303 is a wasteful number, since it uses less digits than its factorization.
122142303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568 (or 562 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 122142303 is about 11051.8008939720. The cubic root of 122142303 is about 496.1603266283.
Adding to 122142303 its reverse (303241221), we get a palindrome (425383524).
The spelling of 122142303 in words is "one hundred twenty-two million, one hundred forty-two thousand, three hundred three".
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