Base | Representation |
---|---|
bin | 10010111001000001… |
… | …01011001111111101 |
3 | 222011210222012021222 |
4 | 21130200223033331 |
5 | 131232323113341 |
6 | 4354214203125 |
7 | 506220420266 |
oct | 113440531775 |
9 | 28153865258 |
10 | 10142004221 |
11 | 4334995978 |
12 | 1b706534a5 |
13 | c58249b3b |
14 | 6c2d6996d |
15 | 3e55ad44b |
hex | 25c82b3fd |
10142004221 has 8 divisors (see below), whose sum is σ = 10212015264. Its totient is φ = 10072062000.
The previous prime is 10142004217. The next prime is 10142004253. The reversal of 10142004221 is 12240024101.
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 10142004221 - 22 = 10142004217 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 10142004221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10142604221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298346 + ... + 330596.
It is an arithmetic number, because the mean of its divisors is an integer number (1276501908).
Almost surely, 210142004221 is an apocalyptic number.
It is an amenable number.
10142004221 is a deficient number, since it is larger than the sum of its proper divisors (70011043).
10142004221 is a wasteful number, since it uses less digits than its factorization.
10142004221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34411.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 10142004221 its reverse (12240024101), we get a palindrome (22382028322).
The spelling of 10142004221 in words is "ten billion, one hundred forty-two million, four thousand, two hundred twenty-one".
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