Base | Representation |
---|---|
bin | 1110100001101… |
… | …10111111111000 |
3 | 22111022010121121 |
4 | 13100312333320 |
5 | 222144010323 |
6 | 20031515024 |
7 | 3006536140 |
oct | 720667770 |
9 | 274263547 |
10 | 121860088 |
11 | 62872319 |
12 | 34988a74 |
13 | 1c32877c |
14 | 12281920 |
15 | aa71a5d |
hex | 7436ff8 |
121860088 has 32 divisors (see below), whose sum is σ = 270136800. Its totient is φ = 50424192.
The previous prime is 121860073. The next prime is 121860119. The reversal of 121860088 is 880068121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35895 + ... + 39142.
It is an arithmetic number, because the mean of its divisors is an integer number (8441775).
Almost surely, 2121860088 is an apocalyptic number.
It is an amenable number.
121860088 is an abundant number, since it is smaller than the sum of its proper divisors (148276712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121860088 is a wasteful number, since it uses less digits than its factorization.
121860088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75079 (or 75075 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 34.
The square root of 121860088 is about 11039.0256816442. The cubic root of 121860088 is about 495.7778987403. Note that the first 3 decimals are identical.
The spelling of 121860088 in words is "one hundred twenty-one million, eight hundred sixty thousand, eighty-eight".
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