Base | Representation |
---|---|
bin | 1110100100011… |
… | …10111001100100 |
3 | 22111222102111120 |
4 | 13102032321210 |
5 | 222242021012 |
6 | 20043333540 |
7 | 3012565626 |
oct | 722167144 |
9 | 274872446 |
10 | 122220132 |
11 | 62a98881 |
12 | 34b212b0 |
13 | 1c423608 |
14 | 12336c16 |
15 | aae358c |
hex | 748ee64 |
122220132 has 12 divisors (see below), whose sum is σ = 285180336. Its totient is φ = 40740040.
The previous prime is 122220113. The next prime is 122220143. The reversal of 122220132 is 231022221.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092494 + ... + 5092517.
It is an arithmetic number, because the mean of its divisors is an integer number (23765028).
Almost surely, 2122220132 is an apocalyptic number.
122220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122220132 is an abundant number, since it is smaller than the sum of its proper divisors (162960204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122220132 is a wasteful number, since it uses less digits than its factorization.
122220132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10185018 (or 10185016 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 122220132 is about 11055.3214335903. The cubic root of 122220132 is about 496.2656886038.
Adding to 122220132 its reverse (231022221), we get a palindrome (353242353).
The spelling of 122220132 in words is "one hundred twenty-two million, two hundred twenty thousand, one hundred thirty-two".
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