Base | Representation |
---|---|
bin | 100000010101101110001101… |
… | …001101110001010001111101 |
3 | 200122121002000222002021011100 |
4 | 200111232031031301101331 |
5 | 122120244433032013341 |
6 | 1222255353525043313 |
7 | 41646536136530550 |
oct | 4025561515612175 |
9 | 618532028067140 |
10 | 142230211204221 |
11 | 413565483220a8 |
12 | 13b51201b56539 |
13 | 614933633702a |
14 | 2719d9c364697 |
15 | 1169b02d863b6 |
hex | 815b8d37147d |
142230211204221 has 48 divisors (see below), whose sum is σ = 248771029852800. Its totient is φ = 76442185672704.
The previous prime is 142230211204189. The next prime is 142230211204271. The reversal of 142230211204221 is 122402112032241.
142230211204221 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 0 + 211 + 20 + 422 + 1 = 666.
142230211204221 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 142230211204221 - 25 = 142230211204189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142230211204271) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42999411 + ... + 46188848.
It is an arithmetic number, because the mean of its divisors is an integer number (5182729788600).
Almost surely, 2142230211204221 is an apocalyptic number.
It is an amenable number.
142230211204221 is a deficient number, since it is larger than the sum of its proper divisors (106540818648579).
142230211204221 is a wasteful number, since it uses less digits than its factorization.
142230211204221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89189778 (or 89189775 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 142230211204221 its reverse (122402112032241), we get a palindrome (264632323236462).
The spelling of 142230211204221 in words is "one hundred forty-two trillion, two hundred thirty billion, two hundred eleven million, two hundred four thousand, two hundred twenty-one".
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