Base | Representation |
---|---|
bin | 1110100000100… |
… | …11011011011110 |
3 | 22111000201202200 |
4 | 13100103123132 |
5 | 222124330043 |
6 | 20024432330 |
7 | 3005361321 |
oct | 720233336 |
9 | 274021680 |
10 | 121714398 |
11 | 62782913 |
12 | 349186a6 |
13 | 1c2a7370 |
14 | 122447b8 |
15 | aa437d3 |
hex | 74136de |
121714398 has 48 divisors (see below), whose sum is σ = 288689856. Its totient is φ = 36832320.
The previous prime is 121714391. The next prime is 121714403. The reversal of 121714398 is 893417121.
It is a happy number.
121714398 is a `hidden beast` number, since 1 + 217 + 1 + 439 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121714391) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10011 + ... + 18537.
It is an arithmetic number, because the mean of its divisors is an integer number (6014372).
Almost surely, 2121714398 is an apocalyptic number.
121714398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 121714398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144344928).
121714398 is an abundant number, since it is smaller than the sum of its proper divisors (166975458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121714398 is a wasteful number, since it uses less digits than its factorization.
121714398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8609 (or 8606 counting only the distinct ones).
The product of its digits is 12096, while the sum is 36.
The square root of 121714398 is about 11032.4248467869. The cubic root of 121714398 is about 495.5802439619.
The spelling of 121714398 in words is "one hundred twenty-one million, seven hundred fourteen thousand, three hundred ninety-eight".
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