Base | Representation |
---|---|
bin | 110111111110110111… |
… | …0110011011101000101 |
3 | 102111022102001200201020 |
4 | 1233331232303131011 |
5 | 3432203040201041 |
6 | 131121225421353 |
7 | 11454121553322 |
oct | 1577556633505 |
9 | 374272050636 |
10 | 120221022021 |
11 | 46a926a6251 |
12 | 1b37193a859 |
13 | b44bc22029 |
14 | 5b6683bb49 |
15 | 31d95b3866 |
hex | 1bfdbb3745 |
120221022021 has 8 divisors (see below), whose sum is σ = 161447895840. Its totient is φ = 79570748112.
The previous prime is 120221021993. The next prime is 120221022023. The reversal of 120221022021 is 120220122021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120221022021 - 25 = 120221021989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120221022023) 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, 144149490 + ... + 144150323.
It is an arithmetic number, because the mean of its divisors is an integer number (20180986980).
Almost surely, 2120221022021 is an apocalyptic number.
It is an amenable number.
120221022021 is a deficient number, since it is larger than the sum of its proper divisors (41226873819).
120221022021 is a wasteful number, since it uses less digits than its factorization.
120221022021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288299955.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 120221022021 its reverse (120220122021), we get a palindrome (240441144042).
The spelling of 120221022021 in words is "one hundred twenty billion, two hundred twenty-one million, twenty-two thousand, twenty-one".
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