Base | Representation |
---|---|
bin | 100000010100101001111… |
… | …010100100101001001010 |
3 | 21212100022100010210102111 |
4 | 200110221322210221022 |
5 | 242343010013443310 |
6 | 4420223352452534 |
7 | 316322303431210 |
oct | 40245172445112 |
9 | 7770270123374 |
10 | 2221201312330 |
11 | 787008263810 |
12 | 2ba5979aa14a |
13 | 1315c60c1a70 |
14 | 79714608cb0 |
15 | 3cba28b728a |
hex | 20529ea4a4a |
2221201312330 has 256 divisors, whose sum is σ = 5575369605120. Its totient is φ = 614860876800.
The previous prime is 2221201312289. The next prime is 2221201312333. The reversal of 2221201312330 is 332131021222.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (2221201312333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27717720 + ... + 27797740.
It is an arithmetic number, because the mean of its divisors is an integer number (21778787520).
Almost surely, 22221201312330 is an apocalyptic number.
2221201312330 is an abundant number, since it is smaller than the sum of its proper divisors (3354168292790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221201312330 is a wasteful number, since it uses less digits than its factorization.
2221201312330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80165.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2221201312330 its reverse (332131021222), we get a palindrome (2553332333552).
The spelling of 2221201312330 in words is "two trillion, two hundred twenty-one billion, two hundred one million, three hundred twelve thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •