Base | Representation |
---|---|
bin | 1001110000000010111000… |
… | …01100000010101011110011 |
3 | 2210220211121110220022200022 |
4 | 10320001130030002223303 |
5 | 10302301230442332402 |
6 | 113334155104114055 |
7 | 4342064220503411 |
oct | 470013414025363 |
9 | 83824543808608 |
10 | 21442023402227 |
11 | 691756924440a |
12 | 24a373630592b |
13 | bc6c8821c38c |
14 | 541b29a622b1 |
15 | 272b524642a2 |
hex | 13805c302af3 |
21442023402227 has 2 divisors, whose sum is σ = 21442023402228. Its totient is φ = 21442023402226.
The previous prime is 21442023402047. The next prime is 21442023402281. The reversal of 21442023402227 is 72220432024412.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 21442023402227 - 238 = 21167145495283 is a prime.
It is not a weakly prime, because it can be changed into another prime (21442023402287) 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 as a sum of consecutive naturals, namely, 10721011701113 + 10721011701114.
It is an arithmetic number, because the mean of its divisors is an integer number (10721011701114).
Almost surely, 221442023402227 is an apocalyptic number.
21442023402227 is a deficient number, since it is larger than the sum of its proper divisors (1).
21442023402227 is an equidigital number, since it uses as much as digits as its factorization.
21442023402227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 86016, while the sum is 35.
Adding to 21442023402227 its reverse (72220432024412), we get a palindrome (93662455426639).
The spelling of 21442023402227 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred two thousand, two hundred twenty-seven".
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