Base | Representation |
---|---|
bin | 10111010000110100110101… |
… | …011011011001100110100101 |
3 | 111102020212101021020110212101 |
4 | 113100310311123121212211 |
5 | 101402232031424130341 |
6 | 1001333100143252101 |
7 | 30356514460623205 |
oct | 2720646533314645 |
9 | 442225337213771 |
10 | 102311312333221 |
11 | 2a665a9061a682 |
12 | b58474b5aa031 |
13 | 4511bb905bbc4 |
14 | 1b39c72d78405 |
15 | bc6543143831 |
hex | 5d0d356d99a5 |
102311312333221 has 8 divisors (see below), whose sum is σ = 102957891133760. Its totient is φ = 101665934237952.
The previous prime is 102311312333207. The next prime is 102311312333227. The reversal of 102311312333221 is 122333213113201.
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 102311312333221 - 213 = 102311312325029 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 102311312333221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102311312333227) 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, 300005361 + ... + 300346198.
It is an arithmetic number, because the mean of its divisors is an integer number (12869736391720).
Almost surely, 2102311312333221 is an apocalyptic number.
It is an amenable number.
102311312333221 is a deficient number, since it is larger than the sum of its proper divisors (646578800539).
102311312333221 is an equidigital number, since it uses as much as digits as its factorization.
102311312333221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 600352635.
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 102311312333221 its reverse (122333213113201), we get a palindrome (224644525446422).
The spelling of 102311312333221 in words is "one hundred two trillion, three hundred eleven billion, three hundred twelve million, three hundred thirty-three thousand, two hundred twenty-one".
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