Base | Representation |
---|---|
bin | 10010101011101101… |
… | …01011010110111001 |
3 | 221220000211121212122 |
4 | 21111312223112321 |
5 | 131020231100241 |
6 | 4335144451025 |
7 | 503363260313 |
oct | 112566532671 |
9 | 27800747778 |
10 | 10030331321 |
11 | 428795141a |
12 | 1b3b179a75 |
13 | c3b07a1ba |
14 | 6b21ba7b3 |
15 | 3da8a004b |
hex | 255dab5b9 |
10030331321 has 6 divisors (see below), whose sum is σ = 10197462366. Its totient is φ = 9865896000.
The previous prime is 10030331309. The next prime is 10030331329. The reversal of 10030331321 is 12313303001.
It can be written as a sum of positive squares in 3 ways, for example, as 841000000 + 9189331321 = 29000^2 + 95861^2 .
It is not a de Polignac number, because 10030331321 - 218 = 10030069177 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10030331321.
It is not an unprimeable number, because it can be changed into a prime (10030331329) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1344080 + ... + 1351521.
It is an arithmetic number, because the mean of its divisors is an integer number (1699577061).
Almost surely, 210030331321 is an apocalyptic number.
It is an amenable number.
10030331321 is a deficient number, since it is larger than the sum of its proper divisors (167131045).
10030331321 is an frugal number, since it uses more digits than its factorization.
10030331321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2695723 (or 2695662 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 10030331321 its reverse (12313303001), we get a palindrome (22343634322).
The spelling of 10030331321 in words is "ten billion, thirty million, three hundred thirty-one thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.464 sec. • engine limits •