Base | Representation |
---|---|
bin | 10000111110100… |
… | …00100101010000 |
3 | 100220222021200200 |
4 | 20133100211100 |
5 | 242424141422 |
6 | 22044215200 |
7 | 3346324443 |
oct | 1037204520 |
9 | 326867620 |
10 | 142412112 |
11 | 7342a367 |
12 | 3b83a500 |
13 | 2367322b |
14 | 14cb165a |
15 | c7812ac |
hex | 87d0950 |
142412112 has 60 divisors (see below), whose sum is σ = 409343220. Its totient is φ = 46185984.
The previous prime is 142412107. The next prime is 142412131. The reversal of 142412112 is 211214241.
142412112 is a `hidden beast` number, since 142 + 412 + 112 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 111007296 + 31404816 = 10536^2 + 5604^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8037 + ... + 18692.
It is an arithmetic number, because the mean of its divisors is an integer number (6822387).
Almost surely, 2142412112 is an apocalyptic number.
142412112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142412112 is an abundant number, since it is smaller than the sum of its proper divisors (266931108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142412112 is a wasteful number, since it uses less digits than its factorization.
142412112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26780 (or 26771 counting only the distinct ones).
The product of its digits is 128, while the sum is 18.
The square root of 142412112 is about 11933.6545953032. The cubic root of 142412112 is about 522.2145592625.
Adding to 142412112 its reverse (211214241), we get a palindrome (353626353).
The spelling of 142412112 in words is "one hundred forty-two million, four hundred twelve thousand, one hundred twelve".
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