Base | Representation |
---|---|
bin | 111000011001101010… |
… | …0001000110001011000 |
3 | 102120122001122120012010 |
4 | 1300303110020301120 |
5 | 3441023210013422 |
6 | 131350341545520 |
7 | 11515316010525 |
oct | 1606324106130 |
9 | 376561576163 |
10 | 121120001112 |
11 | 474040a0580 |
12 | 1b582a152a0 |
13 | b56324bb16 |
14 | 5c0ddb014c |
15 | 323d48cb0c |
hex | 1c33508c58 |
121120001112 has 64 divisors (see below), whose sum is σ = 330385910400. Its totient is φ = 36696515840.
The previous prime is 121120001077. The next prime is 121120001113. The reversal of 121120001112 is 211100021121.
121120001112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121120001113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569823 + ... + 1645169.
It is an arithmetic number, because the mean of its divisors is an integer number (5162279850).
Almost surely, 2121120001112 is an apocalyptic number.
121120001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121120001112 is an abundant number, since it is smaller than the sum of its proper divisors (209265909288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121120001112 is a wasteful number, since it uses less digits than its factorization.
121120001112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81456 (or 81452 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 121120001112 its reverse (211100021121), we get a palindrome (332220022233).
The spelling of 121120001112 in words is "one hundred twenty-one billion, one hundred twenty million, one thousand, one hundred twelve".
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