Base | Representation |
---|---|
bin | 1110100010111… |
… | …00000101010000 |
3 | 22111120211222101 |
4 | 13101130011100 |
5 | 222213340414 |
6 | 20035050144 |
7 | 3011041033 |
oct | 721340520 |
9 | 274524871 |
10 | 122011984 |
11 | 62966456 |
12 | 34a40954 |
13 | 1c37c953 |
14 | 122c101a |
15 | aaa1a74 |
hex | 745c150 |
122011984 has 40 divisors (see below), whose sum is σ = 244265120. Its totient is φ = 59004288.
The previous prime is 122011973. The next prime is 122011991. The reversal of 122011984 is 489110221.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74179 + ... + 75805.
It is an arithmetic number, because the mean of its divisors is an integer number (6106628).
Almost surely, 2122011984 is an apocalyptic number.
It is an amenable number.
122011984 is an abundant number, since it is smaller than the sum of its proper divisors (122253136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122011984 is a wasteful number, since it uses less digits than its factorization.
122011984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1787 (or 1781 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 122011984 is about 11045.9034940561. The cubic root of 122011984 is about 495.9838054026.
The spelling of 122011984 in words is "one hundred twenty-two million, eleven thousand, nine hundred eighty-four".
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