Base | Representation |
---|---|
bin | 1110011101011… |
… | …10101111100000 |
3 | 22110020210001002 |
4 | 13032232233200 |
5 | 222023130414 |
6 | 20011531132 |
7 | 3002023046 |
oct | 716565740 |
9 | 273223032 |
10 | 121301984 |
11 | 62520a81 |
12 | 34759aa8 |
13 | 1c19172b |
14 | 12178396 |
15 | a9b14de |
hex | 73aebe0 |
121301984 has 24 divisors (see below), whose sum is σ = 245270088. Its totient is φ = 59011200.
The previous prime is 121301981. The next prime is 121301989. The reversal of 121301984 is 489103121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121301981) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50042 + ... + 52409.
It is an arithmetic number, because the mean of its divisors is an integer number (10219587).
Almost surely, 2121301984 is an apocalyptic number.
It is an amenable number.
121301984 is an abundant number, since it is smaller than the sum of its proper divisors (123968104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121301984 is a wasteful number, since it uses less digits than its factorization.
121301984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102498 (or 102490 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 121301984 is about 11013.7179916684. The cubic root of 121301984 is about 495.0198733646.
The spelling of 121301984 in words is "one hundred twenty-one million, three hundred one thousand, nine hundred eighty-four".
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