Base | Representation |
---|---|
bin | 10101000000011010… |
… | …001000111000110101 |
3 | 2011012221000120211002 |
4 | 111000122020320311 |
5 | 332143142233303 |
6 | 14210053053045 |
7 | 1425641665313 |
oct | 250032107065 |
9 | 64187016732 |
10 | 22555430453 |
11 | 9624a52816 |
12 | 4455927185 |
13 | 2185c4416a |
14 | 113d8450b3 |
15 | 8c0295788 |
hex | 540688e35 |
22555430453 has 4 divisors (see below), whose sum is σ = 22555794240. Its totient is φ = 22555066668.
The previous prime is 22555430419. The next prime is 22555430477. The reversal of 22555430453 is 35403455522.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35403455522 = 2 ⋅17701727761.
It is a cyclic number.
It is not a de Polignac number, because 22555430453 - 28 = 22555430197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22555430413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62975 + ... + 221532.
It is an arithmetic number, because the mean of its divisors is an integer number (5638948560).
Almost surely, 222555430453 is an apocalyptic number.
It is an amenable number.
22555430453 is a deficient number, since it is larger than the sum of its proper divisors (363787).
22555430453 is an equidigital number, since it uses as much as digits as its factorization.
22555430453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363786.
The product of its (nonzero) digits is 360000, while the sum is 38.
Adding to 22555430453 its reverse (35403455522), we get a palindrome (57958885975).
The spelling of 22555430453 in words is "twenty-two billion, five hundred fifty-five million, four hundred thirty thousand, four hundred fifty-three".
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