Base | Representation |
---|---|
bin | 1000010010100011101… |
… | …0110000000010010001 |
3 | 111121121112010110210000 |
4 | 2010220322300002101 |
5 | 4313134111114023 |
6 | 145232123400213 |
7 | 13201211341503 |
oct | 2045072600221 |
9 | 447545113700 |
10 | 142420410513 |
11 | 55444677407 |
12 | 23728383069 |
13 | 10579175b74 |
14 | 6c70c81d73 |
15 | 3a8847a243 |
hex | 2128eb0091 |
142420410513 has 10 divisors (see below), whose sum is σ = 212751477554. Its totient is φ = 94946940288.
The previous prime is 142420410511. The next prime is 142420410529. The reversal of 142420410513 is 315014024241.
142420410513 is a `hidden beast` number, since 1 + 4 + 242 + 0 + 410 + 5 + 1 + 3 = 666.
It can be written as a sum of positive squares in only one way, i.e., 76406357889 + 66014052624 = 276417^2 + 256932^2 .
It is not a de Polignac number, because 142420410513 - 21 = 142420410511 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142420410511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 879138256 + ... + 879138417.
Almost surely, 2142420410513 is an apocalyptic number.
It is an amenable number.
142420410513 is a deficient number, since it is larger than the sum of its proper divisors (70331067041).
142420410513 is an equidigital number, since it uses as much as digits as its factorization.
142420410513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1758276685 (or 1758276676 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 142420410513 its reverse (315014024241), we get a palindrome (457434434754).
The spelling of 142420410513 in words is "one hundred forty-two billion, four hundred twenty million, four hundred ten thousand, five hundred thirteen".
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