Base | Representation |
---|---|
bin | 111000010110000101… |
… | …1101000101011110100 |
3 | 102120022201110202001112 |
4 | 1300230023220223310 |
5 | 3440302041111040 |
6 | 131330425014152 |
7 | 11512333565201 |
oct | 1605413505364 |
9 | 376281422045 |
10 | 121000332020 |
11 | 473525953a7 |
12 | 1b54a924358 |
13 | b54450c6c9 |
14 | 5bdc13cca8 |
15 | 3232c00365 |
hex | 1c2c2e8af4 |
121000332020 has 24 divisors (see below), whose sum is σ = 254679532800. Its totient is φ = 48289878432.
The previous prime is 121000332017. The next prime is 121000332041. The reversal of 121000332020 is 20233000121.
It is a happy number.
121000332020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 121000331986 and 121000332004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6881900 + ... + 6899459.
It is an arithmetic number, because the mean of its divisors is an integer number (10611647200).
Almost surely, 2121000332020 is an apocalyptic number.
121000332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121000332020 is an abundant number, since it is smaller than the sum of its proper divisors (133679200780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121000332020 is a wasteful number, since it uses less digits than its factorization.
121000332020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13781807 (or 13781805 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 121000332020 its reverse (20233000121), we get a palindrome (141233332141).
The spelling of 121000332020 in words is "one hundred twenty-one billion, three hundred thirty-two thousand, twenty".
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