Base | Representation |
---|---|
bin | 111000010111010110… |
… | …0001111010001100000 |
3 | 102120102122200200220112 |
4 | 1300232230033101200 |
5 | 3440343330324440 |
6 | 131334531230452 |
7 | 11513354464010 |
oct | 1605654172140 |
9 | 376378620815 |
10 | 121042433120 |
11 | 473743305a4 |
12 | 1b560a48428 |
13 | b5501606bb |
14 | 5c0397bc40 |
15 | 3236769965 |
hex | 1c2eb0f460 |
121042433120 has 48 divisors (see below), whose sum is σ = 326814572448. Its totient is φ = 41500262400.
The previous prime is 121042433111. The next prime is 121042433173. The reversal of 121042433120 is 21334240121.
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, 54035681 + ... + 54037920.
It is an arithmetic number, because the mean of its divisors is an integer number (6808636926).
Almost surely, 2121042433120 is an apocalyptic number.
121042433120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121042433120 is an abundant number, since it is smaller than the sum of its proper divisors (205772139328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121042433120 is a wasteful number, since it uses less digits than its factorization.
121042433120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108073623 (or 108073615 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 121042433120 its reverse (21334240121), we get a palindrome (142376673241).
The spelling of 121042433120 in words is "one hundred twenty-one billion, forty-two million, four hundred thirty-three thousand, one hundred twenty".
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