Base | Representation |
---|---|
bin | 10010101011101101… |
… | …00110101100011101 |
3 | 221220000210122200020 |
4 | 21111312212230131 |
5 | 131020224442341 |
6 | 4335144222353 |
7 | 503363150526 |
oct | 112566465435 |
9 | 27800718606 |
10 | 10030312221 |
11 | 4287939036 |
12 | 1b3b16a9b9 |
13 | c3b0715b7 |
14 | 6b21b384d |
15 | 3da899566 |
hex | 255da6b1d |
10030312221 has 8 divisors (see below), whose sum is σ = 13440955200. Its totient is φ = 6653272032.
The previous prime is 10030312219. The next prime is 10030312261. The reversal of 10030312221 is 12221303001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10030312221 - 21 = 10030312219 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10030312221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10030312261) 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, 8400000 + ... + 8401193.
It is an arithmetic number, because the mean of its divisors is an integer number (1680119400).
Almost surely, 210030312221 is an apocalyptic number.
It is an amenable number.
10030312221 is a deficient number, since it is larger than the sum of its proper divisors (3410642979).
10030312221 is a wasteful number, since it uses less digits than its factorization.
10030312221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16801395.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 10030312221 its reverse (12221303001), we get a palindrome (22251615222).
The spelling of 10030312221 in words is "ten billion, thirty million, three hundred twelve thousand, two hundred twenty-one".
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