Base | Representation |
---|---|
bin | 110111111100001111… |
… | …1011111100001001001 |
3 | 102111002021122220201101 |
4 | 1233320133133201021 |
5 | 3432013034401441 |
6 | 131104405421401 |
7 | 11452003455355 |
oct | 1577037374111 |
9 | 374067586641 |
10 | 120133122121 |
11 | 46a48019801 |
12 | 1b34840a861 |
13 | b436956c5c |
14 | 5b58cba465 |
15 | 31d19ee231 |
hex | 1bf87df849 |
120133122121 has 4 divisors (see below), whose sum is σ = 120207234244. Its totient is φ = 120059010000.
The previous prime is 120133122089. The next prime is 120133122139. The reversal of 120133122121 is 121221331021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 59019843600 + 61113278521 = 242940^2 + 247211^2 .
It is a cyclic number.
It is not a de Polignac number, because 120133122121 - 25 = 120133122089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120133122181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37053630 + ... + 37056871.
It is an arithmetic number, because the mean of its divisors is an integer number (30051808561).
Almost surely, 2120133122121 is an apocalyptic number.
It is an amenable number.
120133122121 is a deficient number, since it is larger than the sum of its proper divisors (74112123).
120133122121 is an equidigital number, since it uses as much as digits as its factorization.
120133122121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74112122.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 120133122121 its reverse (121221331021), we get a palindrome (241354453142).
The spelling of 120133122121 in words is "one hundred twenty billion, one hundred thirty-three million, one hundred twenty-two thousand, one hundred twenty-one".
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