Search a number
-
+
30221023212321 = 351719194777053
BaseRepresentation
bin1101101111100011000010…
…10110100111001100100001
310222000002202001212021122220
412313301201112213030201
512430120123420243241
6144135202453421253
76236253061606344
oct667614126471441
9128002661767586
1030221023212321
1196a1733819897
12348105363a829
1313b2aa410c816
147669c35c445b
153761b8c33166
hex1b7c615a7321

30221023212321 has 8 divisors (see below), whose sum is σ = 40295476931520. Its totient is φ = 20146959150672.

The previous prime is 30221023212239. The next prime is 30221023212343. The reversal of 30221023212321 is 12321232012203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30221023212321 - 213 = 30221023204129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30221023212291 and 30221023212300.

It is not an unprimeable number, because it can be changed into a prime (30221023217321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97233370 + ... + 97543683.

It is an arithmetic number, because the mean of its divisors is an integer number (5036934616440).

Almost surely, 230221023212321 is an apocalyptic number.

It is an amenable number.

30221023212321 is a deficient number, since it is larger than the sum of its proper divisors (10074453719199).

30221023212321 is a wasteful number, since it uses less digits than its factorization.

30221023212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194828775.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30221023212321 its reverse (12321232012203), we get a palindrome (42542255224524).

The spelling of 30221023212321 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, two hundred twelve thousand, three hundred twenty-one".

Divisors: 1 3 51719 155157 194777053 584331159 10073674404107 30221023212321