Base | Representation |
---|---|
bin | 10100011111010100… |
… | …001010000100001001 |
3 | 2002210020021200102011 |
4 | 110133110022010021 |
5 | 330024023324111 |
6 | 14035020535521 |
7 | 1406120510263 |
oct | 243724120411 |
9 | 62706250364 |
10 | 22000214281 |
11 | 936a602681 |
12 | 431b9b15a1 |
13 | 20c7bc8696 |
14 | 10c9bd8b33 |
15 | 88b672021 |
hex | 51f50a109 |
22000214281 has 2 divisors, whose sum is σ = 22000214282. Its totient is φ = 22000214280.
The previous prime is 22000214279. The next prime is 22000214287. The reversal of 22000214281 is 18241200022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13885087225 + 8115127056 = 117835^2 + 90084^2 .
It is a cyclic number.
It is not a de Polignac number, because 22000214281 - 21 = 22000214279 is a prime.
It is a super-2 number, since 2×220002142812 (a number of 21 digits) contains 22 as substring.
Together with 22000214279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (22000214287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000107140 + 11000107141.
It is an arithmetic number, because the mean of its divisors is an integer number (11000107141).
Almost surely, 222000214281 is an apocalyptic number.
It is an amenable number.
22000214281 is a deficient number, since it is larger than the sum of its proper divisors (1).
22000214281 is an equidigital number, since it uses as much as digits as its factorization.
22000214281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 512, while the sum is 22.
The spelling of 22000214281 in words is "twenty-two billion, two hundred fourteen thousand, two hundred eighty-one".
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