Base | Representation |
---|---|
bin | 1000010010101001011… |
… | …0011011101111010001 |
3 | 111121200012100112101022 |
4 | 2010222112123233101 |
5 | 4313211234212000 |
6 | 145234342445225 |
7 | 13201622542010 |
oct | 2045226335721 |
9 | 447605315338 |
10 | 142444444625 |
11 | 554571a260a |
12 | 23734433815 |
13 | 1058113c532 |
14 | 6c7413aa77 |
15 | 3a8a626585 |
hex | 212a59bbd1 |
142444444625 has 32 divisors (see below), whose sum is σ = 203651884800. Its totient is φ = 97442822400.
The previous prime is 142444444621. The next prime is 142444444651. The reversal of 142444444625 is 526444444241.
142444444625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142444444625 - 22 = 142444444621 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142444444621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172361 + ... + 560889.
It is an arithmetic number, because the mean of its divisors is an integer number (6364121400).
Almost surely, 2142444444625 is an apocalyptic number.
It is an amenable number.
142444444625 is a deficient number, since it is larger than the sum of its proper divisors (61207440175).
142444444625 is an equidigital number, since it uses as much as digits as its factorization.
142444444625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388970 (or 388960 counting only the distinct ones).
The product of its digits is 1966080, while the sum is 44.
Adding to 142444444625 its reverse (526444444241), we get a palindrome (668888888866).
The spelling of 142444444625 in words is "one hundred forty-two billion, four hundred forty-four million, four hundred forty-four thousand, six hundred twenty-five".
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