Base | Representation |
---|---|
bin | 1110100011101… |
… | …10111110010010 |
3 | 22111210110001212 |
4 | 13101312332102 |
5 | 222230402010 |
6 | 20041300122 |
7 | 3012010124 |
oct | 721667622 |
9 | 274713055 |
10 | 122122130 |
11 | 62a31189 |
12 | 34a94642 |
13 | 1c3bab20 |
14 | 1230d214 |
15 | aac4505 |
hex | 7476f92 |
122122130 has 64 divisors (see below), whose sum is σ = 244290816. Its totient is φ = 43680000.
The previous prime is 122122129. The next prime is 122122181. The reversal of 122122130 is 31221221.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932165 + ... + 932295.
It is an arithmetic number, because the mean of its divisors is an integer number (3817044).
Almost surely, 2122122130 is an apocalyptic number.
122122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122122130 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
122122130 is a wasteful number, since it uses less digits than its factorization.
122122130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 323.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 122122130 is about 11050.8881995974. Note that the first 3 decimals coincide. The cubic root of 122122130 is about 496.1330098754.
Adding to 122122130 its reverse (31221221), we get a palindrome (153343351).
Subtracting from 122122130 its reverse (31221221), we obtain a palindrome (90900909).
The spelling of 122122130 in words is "one hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty".
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