Base | Representation |
---|---|
bin | 1000010001010111110… |
… | …1010111111100000101 |
3 | 111120210100121100220112 |
4 | 2010111331113330011 |
5 | 4312011144044031 |
6 | 145140402042405 |
7 | 13160266612421 |
oct | 2042575277405 |
9 | 446710540815 |
10 | 142102331141 |
11 | 552a10746a1 |
12 | 23659949405 |
13 | 105282b7c14 |
14 | 6c40923b81 |
15 | 3a6a59962b |
hex | 2115f57f05 |
142102331141 has 4 divisors (see below), whose sum is σ = 143139574572. Its totient is φ = 141065087712.
The previous prime is 142102331117. The next prime is 142102331143. The reversal of 142102331141 is 141133201241.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 100099468225 + 42002862916 = 316385^2 + 204946^2 .
It is a cyclic number.
It is not a de Polignac number, because 142102331141 - 234 = 124922461957 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142102331143) 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, 518621510 + ... + 518621783.
It is an arithmetic number, because the mean of its divisors is an integer number (35784893643).
Almost surely, 2142102331141 is an apocalyptic number.
It is an amenable number.
142102331141 is a deficient number, since it is larger than the sum of its proper divisors (1037243431).
142102331141 is a wasteful number, since it uses less digits than its factorization.
142102331141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1037243430.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 142102331141 its reverse (141133201241), we get a palindrome (283235532382).
The spelling of 142102331141 in words is "one hundred forty-two billion, one hundred two million, three hundred thirty-one thousand, one hundred forty-one".
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