Base | Representation |
---|---|
bin | 1000010001110010001… |
… | …1111011011110000100 |
3 | 111121002002001002012100 |
4 | 2010130203323132010 |
5 | 4312223023221234 |
6 | 145155400152100 |
7 | 13163113263051 |
oct | 2043443733604 |
9 | 447062032170 |
10 | 142213101444 |
11 | 55348651aa7 |
12 | 2368aa68630 |
13 | 1054522ca8b |
14 | 6c5151a028 |
15 | 3a7517a399 |
hex | 211c8fb784 |
142213101444 has 36 divisors (see below), whose sum is σ = 378403283440. Its totient is φ = 44909400240.
The previous prime is 142213101427. The next prime is 142213101449. The reversal of 142213101444 is 444101312241.
142213101444 is a `hidden beast` number, since 1 + 4 + 2 + 213 + 1 + 0 + 1 + 444 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (142213101449) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103956262 + ... + 103957629.
Almost surely, 2142213101444 is an apocalyptic number.
It is an amenable number.
142213101444 is an abundant number, since it is smaller than the sum of its proper divisors (236190181996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142213101444 is a wasteful number, since it uses less digits than its factorization.
142213101444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207913920 (or 207913915 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 142213101444 its reverse (444101312241), we get a palindrome (586314413685).
The spelling of 142213101444 in words is "one hundred forty-two billion, two hundred thirteen million, one hundred one thousand, four hundred forty-four".
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