Base | Representation |
---|---|
bin | 110111111110010001… |
… | …0011110001100110100 |
3 | 102111021000102002011002 |
4 | 1233330202132030310 |
5 | 3432132424341040 |
6 | 131115232502432 |
7 | 11453456513165 |
oct | 1577442361464 |
9 | 374230362132 |
10 | 120201012020 |
11 | 46a82379461 |
12 | 1b3670aaa18 |
13 | b447a371ab |
14 | 5b63d0d76c |
15 | 31d795ea15 |
hex | 1bfc89e334 |
120201012020 has 24 divisors (see below), whose sum is σ = 252428720544. Its totient is φ = 48079148576.
The previous prime is 120201011999. The next prime is 120201012023. The reversal of 120201012020 is 20210102021.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 120201011992 and 120201012010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120201012023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276187 + ... + 1367133.
It is an arithmetic number, because the mean of its divisors is an integer number (10517863356).
Almost surely, 2120201012020 is an apocalyptic number.
120201012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120201012020 is an abundant number, since it is smaller than the sum of its proper divisors (132227708524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120201012020 is a wasteful number, since it uses less digits than its factorization.
120201012020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157039 (or 157037 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 120201012020 its reverse (20210102021), we get a palindrome (140411114041).
Subtracting from 120201012020 its reverse (20210102021), we obtain a palindrome (99990909999).
The spelling of 120201012020 in words is "one hundred twenty billion, two hundred one million, twelve thousand, twenty".
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