Base | Representation |
---|---|
bin | 111000111101001000… |
… | …0011001011101011111 |
3 | 102200201000020002120002 |
4 | 1301322100121131133 |
5 | 4000442403000411 |
6 | 132104420044515 |
7 | 11556650400536 |
oct | 1617220313537 |
9 | 380630202502 |
10 | 122310203231 |
11 | 47964a14a97 |
12 | 1b85553373b |
13 | b6c29c2728 |
14 | 5cc40ad31d |
15 | 32acbe033b |
hex | 1c7a41975f |
122310203231 has 2 divisors, whose sum is σ = 122310203232. Its totient is φ = 122310203230.
The previous prime is 122310203219. The next prime is 122310203291. The reversal of 122310203231 is 132302013221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122310203231 - 218 = 122309941087 is a prime.
It is a super-2 number, since 2×1223102032312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122310203291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155101615 + 61155101616.
It is an arithmetic number, because the mean of its divisors is an integer number (61155101616).
Almost surely, 2122310203231 is an apocalyptic number.
122310203231 is a deficient number, since it is larger than the sum of its proper divisors (1).
122310203231 is an equidigital number, since it uses as much as digits as its factorization.
122310203231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 122310203231 its reverse (132302013221), we get a palindrome (254612216452).
The spelling of 122310203231 in words is "one hundred twenty-two billion, three hundred ten million, two hundred three thousand, two hundred thirty-one".
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