Base | Representation |
---|---|
bin | 1000010001100001011… |
… | …1100000001101101011 |
3 | 111120220011122002212120 |
4 | 2010120113200031223 |
5 | 4312102020011321 |
6 | 145144404042323 |
7 | 13161300212511 |
oct | 2043027401553 |
9 | 446804562776 |
10 | 142142735211 |
11 | 55311960894 |
12 | 2366b3933a3 |
13 | 10533793659 |
14 | 6c460404b1 |
15 | 3a6ddcaec6 |
hex | 21185e036b |
142142735211 has 4 divisors (see below), whose sum is σ = 189523646952. Its totient is φ = 94761823472.
The previous prime is 142142735209. The next prime is 142142735227. The reversal of 142142735211 is 112537241241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112537241241 = 3 ⋅37512413747.
It is a cyclic number.
It is not a de Polignac number, because 142142735211 - 21 = 142142735209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142142735291) 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, 23690455866 + ... + 23690455871.
It is an arithmetic number, because the mean of its divisors is an integer number (47380911738).
Almost surely, 2142142735211 is an apocalyptic number.
142142735211 is a deficient number, since it is larger than the sum of its proper divisors (47380911741).
142142735211 is an equidigital number, since it uses as much as digits as its factorization.
142142735211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47380911740.
The product of its digits is 13440, while the sum is 33.
Adding to 142142735211 its reverse (112537241241), we get a palindrome (254679976452).
The spelling of 142142735211 in words is "one hundred forty-two billion, one hundred forty-two million, seven hundred thirty-five thousand, two hundred eleven".
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