Base | Representation |
---|---|
bin | 1110010100010… |
… | …01100100010111 |
3 | 22100222202210111 |
4 | 13022021210113 |
5 | 221221214033 |
6 | 15530103451 |
7 | 2655562051 |
oct | 712114427 |
9 | 270882714 |
10 | 120101143 |
11 | 61880848 |
12 | 3427ab87 |
13 | 1bb60c86 |
14 | 11d448d1 |
15 | a8257cd |
hex | 7289917 |
120101143 has 4 divisors (see below), whose sum is σ = 120965320. Its totient is φ = 119236968.
The previous prime is 120101119. The next prime is 120101153. The reversal of 120101143 is 341101021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341101021 = 2837 ⋅120233.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120101143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120101153) 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 3 ways as a sum of consecutive naturals, for example, 431880 + ... + 432157.
It is an arithmetic number, because the mean of its divisors is an integer number (30241330).
Almost surely, 2120101143 is an apocalyptic number.
120101143 is a deficient number, since it is larger than the sum of its proper divisors (864177).
120101143 is an equidigital number, since it uses as much as digits as its factorization.
120101143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 864176.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 120101143 is about 10959.0667029634. The cubic root of 120101143 is about 493.3809537771.
Adding to 120101143 its reverse (341101021), we get a palindrome (461202164).
The spelling of 120101143 in words is "one hundred twenty million, one hundred one thousand, one hundred forty-three".
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