Base | Representation |
---|---|
bin | 1110100011101… |
… | …00010010011010 |
3 | 22111202212222110 |
4 | 13101310102122 |
5 | 222230024010 |
6 | 20041133150 |
7 | 3011633061 |
oct | 721642232 |
9 | 274685873 |
10 | 122111130 |
11 | 62a23999 |
12 | 34a8a1b6 |
13 | 1c3b5b0b |
14 | 123091d8 |
15 | aac1120 |
hex | 747449a |
122111130 has 16 divisors (see below), whose sum is σ = 293066784. Its totient is φ = 32562960.
The previous prime is 122111111. The next prime is 122111131. The reversal of 122111130 is 31111221.
It is a super-2 number, since 2×1221111302 = 29822256139753800, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (122111131) 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, 2035156 + ... + 2035215.
It is an arithmetic number, because the mean of its divisors is an integer number (18316674).
Almost surely, 2122111130 is an apocalyptic number.
122111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122111130 is an abundant number, since it is smaller than the sum of its proper divisors (170955654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122111130 is a wasteful number, since it uses less digits than its factorization.
122111130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4070381.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 122111130 is about 11050.3904908379. The cubic root of 122111130 is about 496.1181132388.
Adding to 122111130 its reverse (31111221), we get a palindrome (153222351).
Subtracting from 122111130 its reverse (31111221), we obtain a palindrome (90999909).
The spelling of 122111130 in words is "one hundred twenty-two million, one hundred eleven thousand, one hundred thirty".
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