Base | Representation |
---|---|
bin | 111000101010001100… |
… | …1010100010011110100 |
3 | 102122001201222210102220 |
4 | 1301110121110103310 |
5 | 3443142300212340 |
6 | 131521405402340 |
7 | 11535135332244 |
oct | 1612431242364 |
9 | 378051883386 |
10 | 121675007220 |
11 | 47669407908 |
12 | 1b6b88693b0 |
13 | b621222ac0 |
14 | 5c639a3b24 |
15 | 327206ded0 |
hex | 1c546544f4 |
121675007220 has 96 divisors (see below), whose sum is σ = 367021283328. Its totient is φ = 29940621312.
The previous prime is 121675007177. The next prime is 121675007297. The reversal of 121675007220 is 22700576121.
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 31 ways as a sum of consecutive naturals, for example, 2421997 + ... + 2471723.
It is an arithmetic number, because the mean of its divisors is an integer number (3823138368).
Almost surely, 2121675007220 is an apocalyptic number.
121675007220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121675007220 is an abundant number, since it is smaller than the sum of its proper divisors (245346276108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121675007220 is a wasteful number, since it uses less digits than its factorization.
121675007220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52889 (or 52887 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 33.
The spelling of 121675007220 in words is "one hundred twenty-one billion, six hundred seventy-five million, seven thousand, two hundred twenty".
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