Base | Representation |
---|---|
bin | 10011000000000101… |
… | …00100110001010111 |
3 | 222022221101210010121 |
4 | 21200002210301113 |
5 | 131343003102411 |
6 | 4404131332411 |
7 | 510536646454 |
oct | 114002446127 |
9 | 28287353117 |
10 | 10201222231 |
11 | 4365362282 |
12 | 1b88451107 |
13 | c675b1b95 |
14 | 6cab8282b |
15 | 3ea8a9571 |
hex | 2600a4c57 |
10201222231 has 2 divisors, whose sum is σ = 10201222232. Its totient is φ = 10201222230.
The previous prime is 10201222217. The next prime is 10201222267. The reversal of 10201222231 is 13222210201.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10201222231 is a prime.
It is a super-2 number, since 2×102012222312 (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 (10201222831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100611115 + 5100611116.
It is an arithmetic number, because the mean of its divisors is an integer number (5100611116).
Almost surely, 210201222231 is an apocalyptic number.
10201222231 is a deficient number, since it is larger than the sum of its proper divisors (1).
10201222231 is an equidigital number, since it uses as much as digits as its factorization.
10201222231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 10201222231 its reverse (13222210201), we get a palindrome (23423432432).
The spelling of 10201222231 in words is "ten billion, two hundred one million, two hundred twenty-two thousand, two hundred thirty-one".
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