Base | Representation |
---|---|
bin | 1110100000010… |
… | …00001000000000 |
3 | 22110221101020210 |
4 | 13100020020000 |
5 | 222121334341 |
6 | 20023434120 |
7 | 3005106324 |
oct | 720101000 |
9 | 273841223 |
10 | 121668096 |
11 | 62751050 |
12 | 348b5940 |
13 | 1c28c274 |
14 | 12231984 |
15 | aa34c16 |
hex | 7408200 |
121668096 has 160 divisors (see below), whose sum is σ = 373190400. Its totient is φ = 34836480.
The previous prime is 121668083. The next prime is 121668097. The reversal of 121668096 is 690866121.
It is not an unprimeable number, because it can be changed into a prime (121668097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320835 + ... + 321213.
It is an arithmetic number, because the mean of its divisors is an integer number (2332440).
Almost surely, 2121668096 is an apocalyptic number.
121668096 is a gapful number since it is divisible by the number (16) 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 121668096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186595200).
121668096 is an abundant number, since it is smaller than the sum of its proper divisors (251522304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121668096 is a wasteful number, since it uses less digits than its factorization.
121668096 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430 (or 414 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 121668096 is about 11030.3261964459. The cubic root of 121668096 is about 495.5173939152.
The spelling of 121668096 in words is "one hundred twenty-one million, six hundred sixty-eight thousand, ninety-six".
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