Base | Representation |
---|---|
bin | 10011001101010100… |
… | …00101010000101101 |
3 | 222121200022011221002 |
4 | 21212222011100231 |
5 | 132104413222341 |
6 | 4423135050045 |
7 | 513355420061 |
oct | 114652052055 |
9 | 28550264832 |
10 | 10312242221 |
11 | 4411aa0236 |
12 | 1bb9670925 |
13 | c845b3598 |
14 | 6db801aa1 |
15 | 4054d929b |
hex | 266a8542d |
10312242221 has 8 divisors (see below), whose sum is σ = 10482083040. Its totient is φ = 10142869968.
The previous prime is 10312242209. The next prime is 10312242233. The reversal of 10312242221 is 12224221301.
It is an interprime number because it is at equal distance from previous prime (10312242209) and next prime (10312242233).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10312242221 - 214 = 10312225837 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10312242193 and 10312242202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10312244221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72626 + ... + 160931.
It is an arithmetic number, because the mean of its divisors is an integer number (1310260380).
Almost surely, 210312242221 is an apocalyptic number.
It is an amenable number.
10312242221 is a deficient number, since it is larger than the sum of its proper divisors (169840819).
10312242221 is an equidigital number, since it uses as much as digits as its factorization.
10312242221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234283.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 10312242221 its reverse (12224221301), we get a palindrome (22536463522).
The spelling of 10312242221 in words is "ten billion, three hundred twelve million, two hundred forty-two thousand, two hundred twenty-one".
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