Base | Representation |
---|---|
bin | 10101001010110100… |
… | …101010000010111101 |
3 | 2011200002210110200222 |
4 | 111022310222002331 |
5 | 333022404413143 |
6 | 14235254031125 |
7 | 1433163060026 |
oct | 251264520275 |
9 | 64602713628 |
10 | 22730154173 |
11 | 9704641291 |
12 | 44a43484a5 |
13 | 21b31bb58c |
14 | 1158b27c4d |
15 | 8d07aa768 |
hex | 54ad2a0bd |
22730154173 has 2 divisors, whose sum is σ = 22730154174. Its totient is φ = 22730154172.
The previous prime is 22730154101. The next prime is 22730154193. The reversal of 22730154173 is 37145103722.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15031495609 + 7698658564 = 122603^2 + 87742^2 .
It is a cyclic number.
It is not a de Polignac number, because 22730154173 - 214 = 22730137789 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22730154193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11365077086 + 11365077087.
It is an arithmetic number, because the mean of its divisors is an integer number (11365077087).
Almost surely, 222730154173 is an apocalyptic number.
It is an amenable number.
22730154173 is a deficient number, since it is larger than the sum of its proper divisors (1).
22730154173 is an equidigital number, since it uses as much as digits as its factorization.
22730154173 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 35280, while the sum is 35.
Adding to 22730154173 its reverse (37145103722), we get a palindrome (59875257895).
The spelling of 22730154173 in words is "twenty-two billion, seven hundred thirty million, one hundred fifty-four thousand, one hundred seventy-three".
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