Base | Representation |
---|---|
bin | 1101011101010100110… |
… | …0001001111010010001 |
3 | 211002210102101221211222 |
4 | 3113111030021322101 |
5 | 12242004230000032 |
6 | 254114424414425 |
7 | 22463412400463 |
oct | 3272514117221 |
9 | 732712357758 |
10 | 231210000017 |
11 | 8a068021147 |
12 | 38987917415 |
13 | 18a5929a2c9 |
14 | b295100133 |
15 | 6033411a12 |
hex | 35d5309e91 |
231210000017 has 2 divisors, whose sum is σ = 231210000018. Its totient is φ = 231210000016.
The previous prime is 231209999903. The next prime is 231210000037. The reversal of 231210000017 is 710000012132.
231210000017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 172425088081 + 58784911936 = 415241^2 + 242456^2 .
It is a cyclic number.
It is not a de Polignac number, because 231210000017 - 210 = 231209998993 is a prime.
It is a super-2 number, since 2×2312100000172 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (231210000037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115605000008 + 115605000009.
It is an arithmetic number, because the mean of its divisors is an integer number (115605000009).
Almost surely, 2231210000017 is an apocalyptic number.
It is an amenable number.
231210000017 is a deficient number, since it is larger than the sum of its proper divisors (1).
231210000017 is an equidigital number, since it uses as much as digits as its factorization.
231210000017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84, while the sum is 17.
Adding to 231210000017 its reverse (710000012132), we get a palindrome (941210012149).
The spelling of 231210000017 in words is "two hundred thirty-one billion, two hundred ten million, seventeen", and thus it is an aban number.
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