Base | Representation |
---|---|
bin | 10000111100111… |
… | …00110110110011 |
3 | 100220120112001200 |
4 | 20132130312303 |
5 | 242400401433 |
6 | 22035502243 |
7 | 3344452653 |
oct | 1036346663 |
9 | 326515050 |
10 | 142200243 |
11 | 732a5169 |
12 | 3b757983 |
13 | 235ca973 |
14 | 14c58363 |
15 | c73d613 |
hex | 879cdb3 |
142200243 has 12 divisors (see below), whose sum is σ = 205506288. Its totient is φ = 94751280.
The previous prime is 142200241. The next prime is 142200263. The reversal of 142200243 is 342002241.
142200243 is a `hidden beast` number, since 1 + 422 + 0 + 0 + 243 = 666.
It is not a de Polignac number, because 142200243 - 21 = 142200241 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142200241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26146 + ... + 31112.
It is an arithmetic number, because the mean of its divisors is an integer number (17125524).
Almost surely, 2142200243 is an apocalyptic number.
142200243 is a deficient number, since it is larger than the sum of its proper divisors (63306045).
142200243 is a wasteful number, since it uses less digits than its factorization.
142200243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8154 (or 8151 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 142200243 is about 11924.7743374875. The cubic root of 142200243 is about 521.9554614750.
Adding to 142200243 its reverse (342002241), we get a palindrome (484202484).
The spelling of 142200243 in words is "one hundred forty-two million, two hundred thousand, two hundred forty-three".
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