Base | Representation |
---|---|
bin | 10011000011101001… |
… | …11110000100010101 |
3 | 222102000211022222101 |
4 | 21201310332010111 |
5 | 131423142212021 |
6 | 4411122202101 |
7 | 511352565226 |
oct | 114164760425 |
9 | 28360738871 |
10 | 10231210261 |
11 | 4380284778 |
12 | 1b964b3331 |
13 | c7088158c |
14 | 6d0b4b24d |
15 | 3ed32ea91 |
hex | 261d3e115 |
10231210261 has 2 divisors, whose sum is σ = 10231210262. Its totient is φ = 10231210260.
The previous prime is 10231210201. The next prime is 10231210321. The reversal of 10231210261 is 16201213201.
It is a balanced prime because it is at equal distance from previous prime (10231210201) and next prime (10231210321).
It can be written as a sum of positive squares in only one way, i.e., 10202212036 + 28998225 = 101006^2 + 5385^2 .
It is an emirp because it is prime and its reverse (16201213201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10231210261 - 27 = 10231210133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10231210201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115605130 + 5115605131.
It is an arithmetic number, because the mean of its divisors is an integer number (5115605131).
Almost surely, 210231210261 is an apocalyptic number.
It is an amenable number.
10231210261 is a deficient number, since it is larger than the sum of its proper divisors (1).
10231210261 is an equidigital number, since it uses as much as digits as its factorization.
10231210261 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 19.
Adding to 10231210261 its reverse (16201213201), we get a palindrome (26432423462).
The spelling of 10231210261 in words is "ten billion, two hundred thirty-one million, two hundred ten thousand, two hundred sixty-one".
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