Base | Representation |
---|---|
bin | 10100101011010110… |
… | …011100011001000111 |
3 | 2010022022020120202001 |
4 | 110223112130121013 |
5 | 330432221441411 |
6 | 14111032530131 |
7 | 1414122035545 |
oct | 245326343107 |
9 | 63268216661 |
10 | 22202140231 |
11 | 9463590627 |
12 | 4377550947 |
13 | 212a9a84ab |
14 | 110895cd95 |
15 | 89e25bdc1 |
hex | 52b59c647 |
22202140231 has 2 divisors, whose sum is σ = 22202140232. Its totient is φ = 22202140230.
The previous prime is 22202140229. The next prime is 22202140273. The reversal of 22202140231 is 13204120222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 22202140231 - 21 = 22202140229 is a prime.
It is a super-2 number, since 2×222021402312 (a number of 21 digits) contains 22 as substring.
Together with 22202140229, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 22202140199 and 22202140208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22202140291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101070115 + 11101070116.
It is an arithmetic number, because the mean of its divisors is an integer number (11101070116).
Almost surely, 222202140231 is an apocalyptic number.
22202140231 is a deficient number, since it is larger than the sum of its proper divisors (1).
22202140231 is an equidigital number, since it uses as much as digits as its factorization.
22202140231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 22202140231 its reverse (13204120222), we get a palindrome (35406260453).
The spelling of 22202140231 in words is "twenty-two billion, two hundred two million, one hundred forty thousand, two hundred thirty-one".
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