Base | Representation |
---|---|
bin | 1000010010100110011… |
… | …1000100111000100010 |
3 | 111121122022222211001100 |
4 | 2010221213010320202 |
5 | 4313200044431432 |
6 | 145233220415230 |
7 | 13201412165325 |
oct | 2045147047042 |
9 | 447568884040 |
10 | 142432030242 |
11 | 55450193497 |
12 | 23730247516 |
13 | 1057b6b3a48 |
14 | 6c726287bc |
15 | 3a894c307c |
hex | 21299c4e22 |
142432030242 has 48 divisors (see below), whose sum is σ = 311002094520. Its totient is φ = 47109482496.
The previous prime is 142432030177. The next prime is 142432030249. The reversal of 142432030242 is 242030234241.
142432030242 is a `hidden beast` number, since 14 + 24 + 320 + 302 + 4 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 67553727921 + 74878302321 = 259911^2 + 273639^2 .
It is not an unprimeable number, because it can be changed into a prime (142432030249) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298688 + ... + 1404084.
Almost surely, 2142432030242 is an apocalyptic number.
142432030242 is an abundant number, since it is smaller than the sum of its proper divisors (168570064278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142432030242 is a wasteful number, since it uses less digits than its factorization.
142432030242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105987 (or 105984 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 142432030242 its reverse (242030234241), we get a palindrome (384462264483).
The spelling of 142432030242 in words is "one hundred forty-two billion, four hundred thirty-two million, thirty thousand, two hundred forty-two".
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