Base | Representation |
---|---|
bin | 1110011110001… |
… | …01100100001100 |
3 | 22110102112021110 |
4 | 13033011210030 |
5 | 222034123333 |
6 | 20013532020 |
7 | 3002562435 |
oct | 717054414 |
9 | 273375243 |
10 | 121395468 |
11 | 62585237 |
12 | 347a4010 |
13 | 1c1c514c |
14 | 121a048c |
15 | a9ce063 |
hex | 73c590c |
121395468 has 24 divisors (see below), whose sum is σ = 286671168. Its totient is φ = 39977296.
The previous prime is 121395457. The next prime is 121395497. The reversal of 121395468 is 864593121.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
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, 59946 + ... + 61937.
It is an arithmetic number, because the mean of its divisors is an integer number (11944632).
Almost surely, 2121395468 is an apocalyptic number.
It is an amenable number.
121395468 is an abundant number, since it is smaller than the sum of its proper divisors (165275700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121395468 is a wasteful number, since it uses less digits than its factorization.
121395468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121973 (or 121971 counting only the distinct ones).
The product of its digits is 51840, while the sum is 39.
The square root of 121395468 is about 11017.9611544060. The cubic root of 121395468 is about 495.1470066382.
The spelling of 121395468 in words is "one hundred twenty-one million, three hundred ninety-five thousand, four hundred sixty-eight".
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