Base | Representation |
---|---|
bin | 1110100100001… |
… | …11010001010100 |
3 | 22111220211122020 |
4 | 13102013101110 |
5 | 222240021014 |
6 | 20042533140 |
7 | 3012405546 |
oct | 722072124 |
9 | 274824566 |
10 | 122188884 |
11 | 62a77354 |
12 | 34b071b0 |
13 | 1c41231c |
14 | 12329696 |
15 | aad91a9 |
hex | 7487454 |
122188884 has 24 divisors (see below), whose sum is σ = 285505248. Its totient is φ = 40672800.
The previous prime is 122188853. The next prime is 122188921. The reversal of 122188884 is 488881221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359 + ... + 15809.
It is an arithmetic number, because the mean of its divisors is an integer number (11896052).
Almost surely, 2122188884 is an apocalyptic number.
It is an amenable number.
122188884 is an abundant number, since it is smaller than the sum of its proper divisors (163316364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122188884 is a wasteful number, since it uses less digits than its factorization.
122188884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14215 (or 14213 counting only the distinct ones).
The product of its digits is 65536, while the sum is 42.
The square root of 122188884 is about 11053.9080871880. The cubic root of 122188884 is about 496.2233916114.
The spelling of 122188884 in words is "one hundred twenty-two million, one hundred eighty-eight thousand, eight hundred eighty-four".
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