Base | Representation |
---|---|
bin | 10011000011101010… |
… | …11001001001111101 |
3 | 222102001000222011201 |
4 | 21201311121021331 |
5 | 131423204234323 |
6 | 4411124415501 |
7 | 511353536551 |
oct | 114165311175 |
9 | 28361028151 |
10 | 10231321213 |
11 | 4380350073 |
12 | 1b96547591 |
13 | c708bcc29 |
14 | 6d0b79861 |
15 | 3ed3528ad |
hex | 261d5927d |
10231321213 has 4 divisors (see below), whose sum is σ = 10246128448. Its totient is φ = 10216513980.
The previous prime is 10231321183. The next prime is 10231321253. The reversal of 10231321213 is 31212313201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 10231321213 - 229 = 9694450301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10231321253) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7402581 + ... + 7403962.
It is an arithmetic number, because the mean of its divisors is an integer number (2561532112).
Almost surely, 210231321213 is an apocalyptic number.
It is an amenable number.
10231321213 is a deficient number, since it is larger than the sum of its proper divisors (14807235).
10231321213 is an equidigital number, since it uses as much as digits as its factorization.
10231321213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14807234.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 10231321213 its reverse (31212313201), we get a palindrome (41443634414).
It can be divided in two parts, 102313212 and 13, that added together give a square (102313225 = 101152).
The spelling of 10231321213 in words is "ten billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred thirteen".
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