Base | Representation |
---|---|
bin | 111000101111000100… |
… | …0000011000000111000 |
3 | 102122111010011111022010 |
4 | 1301132020003000320 |
5 | 3444011043031323 |
6 | 131545520325520 |
7 | 11542160024640 |
oct | 1613610030070 |
9 | 378433144263 |
10 | 121838252088 |
11 | 47742576123 |
12 | 1b7434738a0 |
13 | b648cab4b7 |
14 | 5c7b539520 |
15 | 3281567c93 |
hex | 1c5e203038 |
121838252088 has 32 divisors (see below), whose sum is σ = 348109292160. Its totient is φ = 34810929120.
The previous prime is 121838252087. The next prime is 121838252093. The reversal of 121838252088 is 880252838121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121838252087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362613678 + ... + 362614013.
It is an arithmetic number, because the mean of its divisors is an integer number (10878415380).
Almost surely, 2121838252088 is an apocalyptic number.
It is an amenable number.
121838252088 is an abundant number, since it is smaller than the sum of its proper divisors (226271040072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121838252088 is a wasteful number, since it uses less digits than its factorization.
121838252088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725227707 (or 725227703 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 48.
The spelling of 121838252088 in words is "one hundred twenty-one billion, eight hundred thirty-eight million, two hundred fifty-two thousand, eighty-eight".
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