Base | Representation |
---|---|
bin | 1110010100100… |
… | …01000110110101 |
3 | 22101001100011010 |
4 | 13022101012311 |
5 | 221223211041 |
6 | 15530502433 |
7 | 2656051062 |
oct | 712210665 |
9 | 271040133 |
10 | 120132021 |
11 | 618a1a69 |
12 | 34294a19 |
13 | 1bb72049 |
14 | 11d51c69 |
15 | a82ea16 |
hex | 72911b5 |
120132021 has 8 divisors (see below), whose sum is σ = 160228224. Its totient is φ = 80061920.
The previous prime is 120132017. The next prime is 120132029. The reversal of 120132021 is 120231021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120132021 - 22 = 120132017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120131988 and 120132006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120132029) by changing a digit.
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, 10756 + ... + 18866.
It is an arithmetic number, because the mean of its divisors is an integer number (20028528).
Almost surely, 2120132021 is an apocalyptic number.
It is an amenable number.
120132021 is a deficient number, since it is larger than the sum of its proper divisors (40096203).
120132021 is an equidigital number, since it uses as much as digits as its factorization.
120132021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13051.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 120132021 is about 10960.4754002735. The cubic root of 120132021 is about 493.4232328964.
Adding to 120132021 its reverse (120231021), we get a palindrome (240363042).
The spelling of 120132021 in words is "one hundred twenty million, one hundred thirty-two thousand, twenty-one".
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