Base | Representation |
---|---|
bin | 1110101010010… |
… | …01101011100000 |
3 | 22120102021221211 |
4 | 13111021223200 |
5 | 222441011214 |
6 | 20111555504 |
7 | 3022233250 |
oct | 725115340 |
9 | 276367854 |
10 | 122985184 |
11 | 63470653 |
12 | 3522bb94 |
13 | 1c6308ca |
14 | 12495960 |
15 | abe50c4 |
hex | 7549ae0 |
122985184 has 96 divisors (see below), whose sum is σ = 290304000. Its totient is φ = 50181120.
The previous prime is 122985179. The next prime is 122985223. The reversal of 122985184 is 481589221.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 617917 + ... + 618115.
It is an arithmetic number, because the mean of its divisors is an integer number (3024000).
Almost surely, 2122985184 is an apocalyptic number.
122985184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122985184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152000).
122985184 is an abundant number, since it is smaller than the sum of its proper divisors (167318816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122985184 is a wasteful number, since it uses less digits than its factorization.
122985184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336 (or 328 counting only the distinct ones).
The product of its digits is 46080, while the sum is 40.
The square root of 122985184 is about 11089.8685294281. The cubic root of 122985184 is about 497.2990142918.
The spelling of 122985184 in words is "one hundred twenty-two million, nine hundred eighty-five thousand, one hundred eighty-four".
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