Base | Representation |
---|---|
bin | 1000010001110011111… |
… | …0011010001110000110 |
3 | 111121002120002202102021 |
4 | 2010130332122032012 |
5 | 4312231312340032 |
6 | 145200205033354 |
7 | 13163226264202 |
oct | 2043476321606 |
9 | 447076082367 |
10 | 142220043142 |
11 | 55351563441 |
12 | 2369125585a |
13 | 105467c05a8 |
14 | 6c52405b02 |
15 | 3a75a9c097 |
hex | 211cf9a386 |
142220043142 has 16 divisors (see below), whose sum is σ = 216836096400. Its totient is φ = 69950731680.
The previous prime is 142220043101. The next prime is 142220043149. The reversal of 142220043142 is 241340022241.
142220043142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142220043149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2316409 + ... + 2377012.
It is an arithmetic number, because the mean of its divisors is an integer number (13552256025).
Almost surely, 2142220043142 is an apocalyptic number.
142220043142 is a deficient number, since it is larger than the sum of its proper divisors (74616053258).
142220043142 is a wasteful number, since it uses less digits than its factorization.
142220043142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4693671.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 142220043142 its reverse (241340022241), we get a palindrome (383560065383).
The spelling of 142220043142 in words is "one hundred forty-two billion, two hundred twenty million, forty-three thousand, one hundred forty-two".
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