Base | Representation |
---|---|
bin | 1000010010011111011… |
… | …0001010010111110101 |
3 | 111121120021021222202212 |
4 | 2010213312022113311 |
5 | 4313120010233303 |
6 | 145230242143205 |
7 | 13200602454503 |
oct | 2044766122765 |
9 | 447507258685 |
10 | 142402430453 |
11 | 55435506758 |
12 | 23722351b05 |
13 | 1057551bc8a |
14 | 6c6c721673 |
15 | 3a86ac7ad8 |
hex | 2127d8a5f5 |
142402430453 has 8 divisors (see below), whose sum is σ = 145230897336. Its totient is φ = 139589899200.
The previous prime is 142402430441. The next prime is 142402430557. The reversal of 142402430453 is 354034204241.
It can be written as a sum of positive squares in 4 ways, for example, as 18464209 + 142383966244 = 4297^2 + 377338^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142402430453 - 214 = 142402414069 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 (142402400453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965858 + ... + 4001603.
It is an arithmetic number, because the mean of its divisors is an integer number (18153862167).
Almost surely, 2142402430453 is an apocalyptic number.
It is an amenable number.
142402430453 is a deficient number, since it is larger than the sum of its proper divisors (2828466883).
142402430453 is an equidigital number, since it uses as much as digits as its factorization.
142402430453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7967815.
The product of its (nonzero) digits is 46080, while the sum is 32.
Adding to 142402430453 its reverse (354034204241), we get a palindrome (496436634694).
The spelling of 142402430453 in words is "one hundred forty-two billion, four hundred two million, four hundred thirty thousand, four hundred fifty-three".
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