Base | Representation |
---|---|
bin | 1000010001100001010… |
… | …0110111111110011011 |
3 | 111120220010100002121012 |
4 | 2010120110313332123 |
5 | 4312101330433412 |
6 | 145144341204135 |
7 | 13161261312455 |
oct | 2043024677633 |
9 | 446803302535 |
10 | 142142046107 |
11 | 55311530086 |
12 | 2366b10064b |
13 | 105335b1ab9 |
14 | 6c45d012d5 |
15 | 3a6dce1c22 |
hex | 2118537f9b |
142142046107 has 4 divisors (see below), whose sum is σ = 143047409616. Its totient is φ = 141236682600.
The previous prime is 142142046089. The next prime is 142142046139. The reversal of 142142046107 is 701640241241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701640241241 = 789857 ⋅888313.
It is a cyclic number.
It is not a de Polignac number, because 142142046107 - 212 = 142142042011 is a prime.
It is a super-3 number, since 3×1421420461073 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142142048107) 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, 452681519 + ... + 452681832.
It is an arithmetic number, because the mean of its divisors is an integer number (35761852404).
Almost surely, 2142142046107 is an apocalyptic number.
142142046107 is a deficient number, since it is larger than the sum of its proper divisors (905363509).
142142046107 is an equidigital number, since it uses as much as digits as its factorization.
142142046107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 905363508.
The product of its (nonzero) digits is 10752, while the sum is 32.
Adding to 142142046107 its reverse (701640241241), we get a palindrome (843782287348).
The spelling of 142142046107 in words is "one hundred forty-two billion, one hundred forty-two million, forty-six thousand, one hundred seven".
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