Base | Representation |
---|---|
bin | 1110011100000… |
… | …00111110011000 |
3 | 22102220020212222 |
4 | 13032000332120 |
5 | 222001131040 |
6 | 20003523212 |
7 | 3000312362 |
oct | 716007630 |
9 | 272806788 |
10 | 121114520 |
11 | 6240314a |
12 | 34689508 |
13 | 1c1272c7 |
14 | 12129d32 |
15 | a975bb5 |
hex | 7380f98 |
121114520 has 32 divisors (see below), whose sum is σ = 281301120. Its totient is φ = 46882560.
The previous prime is 121114471. The next prime is 121114523. The reversal of 121114520 is 25411121.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121114523) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 47597 + ... + 50076.
It is an arithmetic number, because the mean of its divisors is an integer number (8790660).
Almost surely, 2121114520 is an apocalyptic number.
121114520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121114520 is an abundant number, since it is smaller than the sum of its proper divisors (160186600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121114520 is a wasteful number, since it uses less digits than its factorization.
121114520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97715 (or 97711 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 121114520 is about 11005.2042234572. The cubic root of 121114520 is about 494.7647353251.
Adding to 121114520 its reverse (25411121), we get a palindrome (146525641).
The spelling of 121114520 in words is "one hundred twenty-one million, one hundred fourteen thousand, five hundred twenty".
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