Base | Representation |
---|---|
bin | 1110010110111… |
… | …11010000101111 |
3 | 22101122121021111 |
4 | 13023133100233 |
5 | 221313432033 |
6 | 15541412451 |
7 | 2661553300 |
oct | 713372057 |
9 | 271577244 |
10 | 120452143 |
11 | 61aa0529 |
12 | 3440a127 |
13 | 1bc54976 |
14 | 11dd67a7 |
15 | a8947cd |
hex | 72df42f |
120452143 has 24 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 99131760.
The previous prime is 120452141. The next prime is 120452177. The reversal of 120452143 is 341254021.
It is not a de Polignac number, because 120452143 - 21 = 120452141 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 (120452141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271680 + ... + 272122.
It is an arithmetic number, because the mean of its divisors is an integer number (6073920).
Almost surely, 2120452143 is an apocalyptic number.
120452143 is a deficient number, since it is larger than the sum of its proper divisors (25321937).
120452143 is a wasteful number, since it uses less digits than its factorization.
120452143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 667 (or 660 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 120452143 is about 10975.0691569575. The cubic root of 120452143 is about 493.8611276226.
The spelling of 120452143 in words is "one hundred twenty million, four hundred fifty-two thousand, one hundred forty-three".
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