Base | Representation |
---|---|
bin | 1000010010001110001… |
… | …1111011101111010001 |
3 | 111121101021000201210201 |
4 | 2010203203323233101 |
5 | 4312443104334212 |
6 | 145215153255201 |
7 | 13166040440323 |
oct | 2044343735721 |
9 | 447337021721 |
10 | 142330543057 |
11 | 553a897668a |
12 | 23702264501 |
13 | 1056366c361 |
14 | 6c62d6b613 |
15 | 3a80627b57 |
hex | 21238fbbd1 |
142330543057 has 4 divisors (see below), whose sum is σ = 142517574756. Its totient is φ = 142143511360.
The previous prime is 142330543039. The next prime is 142330543081. The reversal of 142330543057 is 750345033241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750345033241 = 37 ⋅20279595493.
It can be written as a sum of positive squares in 2 ways, for example, as 68870029761 + 73460513296 = 262431^2 + 271036^2 .
It is a cyclic number.
It is not a de Polignac number, because 142330543057 - 227 = 142196325329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142330543007) 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, 93514708 + ... + 93516229.
It is an arithmetic number, because the mean of its divisors is an integer number (35629393689).
Almost surely, 2142330543057 is an apocalyptic number.
It is an amenable number.
142330543057 is a deficient number, since it is larger than the sum of its proper divisors (187031699).
142330543057 is an equidigital number, since it uses as much as digits as its factorization.
142330543057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187031698.
The product of its (nonzero) digits is 151200, while the sum is 37.
Adding to 142330543057 its reverse (750345033241), we get a palindrome (892675576298).
The spelling of 142330543057 in words is "one hundred forty-two billion, three hundred thirty million, five hundred forty-three thousand, fifty-seven".
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