Base | Representation |
---|---|
bin | 10011000010101011… |
… | …01100100110000111 |
3 | 222101110101211101122 |
4 | 21201111230212013 |
5 | 131414042342411 |
6 | 4410230344155 |
7 | 511223112245 |
oct | 114125544607 |
9 | 28343354348 |
10 | 10223012231 |
11 | 4376695443 |
12 | 1b937bb05b |
13 | c6bc70c83 |
14 | 6cda15795 |
15 | 3ec7609db |
hex | 26156c987 |
10223012231 has 2 divisors, whose sum is σ = 10223012232. Its totient is φ = 10223012230.
The previous prime is 10223012221. The next prime is 10223012251. The reversal of 10223012231 is 13221032201.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10223012231 - 210 = 10223011207 is a prime.
It is a super-2 number, since 2×102230122312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10223012221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111506115 + 5111506116.
It is an arithmetic number, because the mean of its divisors is an integer number (5111506116).
Almost surely, 210223012231 is an apocalyptic number.
10223012231 is a deficient number, since it is larger than the sum of its proper divisors (1).
10223012231 is an equidigital number, since it uses as much as digits as its factorization.
10223012231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 10223012231 its reverse (13221032201), we get a palindrome (23444044432).
The spelling of 10223012231 in words is "ten billion, two hundred twenty-three million, twelve thousand, two hundred thirty-one".
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