Base | Representation |
---|---|
bin | 1110010101000… |
… | …01101111001111 |
3 | 22101011210121011 |
4 | 13022201233033 |
5 | 221232401033 |
6 | 15532150051 |
7 | 2656453510 |
oct | 712415717 |
9 | 271153534 |
10 | 120200143 |
11 | 61939168 |
12 | 34308327 |
13 | 1bb9705b |
14 | 11d6ca07 |
15 | a844ccd |
hex | 72a1bcf |
120200143 has 4 divisors (see below), whose sum is σ = 137371600. Its totient is φ = 103028688.
The previous prime is 120200123. The next prime is 120200167. The reversal of 120200143 is 341002021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341002021 = 113 ⋅3017717.
It is not a de Polignac number, because 120200143 - 29 = 120199631 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 (120200123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8585718 + ... + 8585731.
It is an arithmetic number, because the mean of its divisors is an integer number (34342900).
Almost surely, 2120200143 is an apocalyptic number.
120200143 is a deficient number, since it is larger than the sum of its proper divisors (17171457).
120200143 is an equidigital number, since it uses as much as digits as its factorization.
120200143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17171456.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 120200143 is about 10963.5825805254. The cubic root of 120200143 is about 493.5164820448.
Adding to 120200143 its reverse (341002021), we get a palindrome (461202164).
The spelling of 120200143 in words is "one hundred twenty million, two hundred thousand, one hundred forty-three".
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